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AP Psychology 3.3 Learning. An example of a primary reinforcer is what?

Which of the following phrases could be considered a credible source if added to the beginning of sentence 4?

AP Psychology 1.1 Research Methods. This information is all part of which of the following research processes?

How is inventory managed for cash flow purposes? In order to avoid the cost of carrying slow moving or out of favor inventory that would take space...

AP Psychology 1.3 Learning. Which of the following is a secondary reinforcer?

Tidal Lunacy continues to intrigue, so we must analyze it some more in this SAT Reading video.

AP Psychology 2.3 Motivation and Emotion. How would a drive theorist explain that Jane wants to be respected by her peers?

Jonathan and Mina Harker are the ultimate storytelling couple, and you know what they say: the couple that tells stories together, stays together....

This video covers what makes a strong analysis essay—you don’t even have to like the material to write a good one. With this kind of essay, it�...

This SAT Reading video has you inferring something in the first paragraph. Such life skills!

You should probably know what kind of essay you're writing before you actually start writing it. Just like you should probably know where you're go...

SAT Math 3.5 Statistics and Probability

What is the purpose of a paragraph? What is the purpose of life? Jk, but this SAT Reading video will at least help you analyze the purpose of the f...

Looks, wealth, and a super cool castle to live in… Well...maybe not live in, if you happened to be Dracula. But for the most part, this guy had...

Dracula, Dorian Gray, and Bertha Mason are the cool kids on the block when it comes to Gothic literature. We’re in full favor of them starting a...

Analyzing texts and volcanos...it's the last video in this short but sweet SAT Reading volcano series.

AP Psychology 2.5 Learning. Which concept explains why you might not be able to teach your dog to use the toilet?

A derivative of a security is a "something" which derives its value based on the performance of that security... either a put option or a call option.

SAT Reading: Passage Comparison Drill 2, Problem 1

In this SAT Reading video you'll have to summarize information in a graph. We promise it's not too math-y!

Want to know what fortnight means? Spoiler alert: no, it isn't when you build a fort in your living room out of cushions.

SAT Reading: Passage Comparison Drill 3, Problem 1

The passage implies that Voltaire(A)had ideas that got him into trouble(B)avoided controversy at all cost(C)was a well-respected thinker(D)preferre...

Obama wanted innovation back in 2013. How do we know? Watch this video on analyzing text.

A line passes through the point (-4, -4) and has a slope of . What is its equation?

AP Psychology 3.1 Personality. Which psychologist developed the idea that every culture has a collective unconscious that reflects its history and...

AP Psychology 3.4 HIstory and Approaches. Which approach did the psychologist support?

SAT Math 4.2 Statistics and Probability

Obama encourages everyone to participate in their own governance. He cites the Founding Father's interests as the big driver here. And that we shou...

The Sonoran pronghorn has sensitive ears. Wanna know more? Watch this SAT Reading video on noise pollution.

Thoreau wants our lives to be simplified. He claims that we gain less from life when we over-complicate things.

The comma is a wonderful punctuation mark that plays many roles. In this SAT Writing video we analyze how it can set off a subordinated list!

A reader can tell from the description in the passage that the story takes place(A)in a cold, mountainous region(B)during sub-zero temperatures(C)s...

"We the people..." Obama references his own patriotism, aligning his presidency with that of the legends in the past. Is his underwear red, white,...

It's important to know how to recognize counterarguments to a claim. This SAT Reading video covers just that - how handy.

This SAT Writing video analyzes and important day for George Washington. To find out more press play.

Which phrase best describes the conflict Rikki-tikki has with Nag and Nagaina?(A)engaging in a physical battle(B)making a difficult decision(C)stan...

AP Psychology 1.3 Testing and Individual Differences. Which researcher proposed the multiple intelligence theory?

AP Psychology 3.1 Treatment of Abnormal Behavior. Lithium is used to treat bipolar disorder and is believed to generally affect which neurotransmit...

AP Psychology 3.3 States of Consciousness. What is the name of this theory?

What is a managing underwriter, and what is the selling group?

Which is the best way to revise and combine sentences 1 and 2?

How does a board of directors function? Public companies, as well as some private corporations and non profit groups, have a board of directors. Us...

AP Psychology 3.2 Treatment of Abnormal Behavior. SSRIs are used to treat which ailment?

A tax haven is a nation that offers special tax incentives for corporations doing business there.

Which of the following sentences provides the best description of the events in the passage?

Which combination of words from the passage creates a mood of healing?(A)"was never sown" and "A lady of my own"(B)"the breathing balm" and "silenc...

Because of the character description the narrator provides of "old master," a reader might conclude that(A)the narrator will eventually be freed(B)...

This video defines coherence and covers how to arrange your thesis, evidence, analysis, and reflection into a cohesive essay. It emphasizes the imp...

AP Psychology 2.3 States of Consciousness. What is the suprachiasmatic nucleus?

AP Psychology 3.1 Sensation and Perception. The place in the back of the eye where the optic nerve leaves the retina and has no rods or cones is ca...

AP Psychology 3.3 Personality: Which is NOT one of the five personality traits posited by McCrae and Costa?

A company has numerous operating expenses, but the primary ones have to do with payroll, sales and marketing, taxes and fees, office supplies, some...

What are overbought and oversold? Hit play to find out.

What is After Hours Trading/Extended Trading? After hours trading describes any trades made after the market closes or before the market opens. Bec...

Together. We have shared priorities as Americans—caring for the vulnerable, shared public facilities, working together. Are we...together?

Does the moon create lava tides? We can actually measure the moon's effects on volcanoes. How insanely cool is that? If we can do all this, then wh...

The details in the passage suggest that Rikki-tikki is(A)cold-hearted and expressionless(B)experienced in fighting cobras(C)overcome with fear and...

How does Thoreau feel about commerce? He writes, "We don't ride upon the railroad; it rides upon us." He wants and end to the war fighting for the...

Texas EOC English 2: Understanding and Analysis of Informational Texts Drill 3, Problem 4

Which of the following statements indicates how this man came to have a conflict with nature?(A)Freezing and shivering in the cold is painful for t...

What effect do the words "hiss," "whizzed," and "chattered" have on the passage?(A)They allow the reader to visualize the action.(B)They provide au...

AP Psychology 2.4 History and Approaches. Who was the first American woman to earn a PhD in Psychology?

Obama's stance on the nation: We need to reform our economic opportunities. More resources need to be allocated to those at the bottom of the socia...

Tides and volcanos go hand in hand. But how? Watch this SAT Reading video to find out more!

How was the Beanie Baby era parallel to the Tulip Bubble? Similar events, only the TulipMania almost bankrupted Holland. Bean Babies only bankrupte...

In line 21, "a human chattel" refers to(A)a slave(B)old men(C)angry people(D)violence

DeBeers used to promote its diamonds with the slogan, “A diamond is forever.” From a financial perspective, perpetuity refers to payments that...

SAT Reading: Passage Comparison Drill 1, Problem 3

What is Deficit Financing? Deficit financing happens when the government has to borrow money to spend because what they are spending is more than w...

What are the Major Classes of Bonds? Insofar as US dollar denominated bonds go, the primary classes of bonds are: 1) US Treasury Bonds; 2) US Treas...

What are the Major Risks in Owning Bonds? As bonds are basically securitized forms of debt, the bondholder’s primary risks are if the issuer defa...

What is a secondary offering? After a company has its IPO, there is often a lockup period of stock held by directors, institutions and other “ins...

What do we share as Americans? What traits? What is our national character? Obama defines it as a map to the trajectory laid out regarding change f...

Which of the following details would best support the author's purpose if inserted after sentence 9 in the passage?

Hey, teach. Check out this video to learn how to best use Shmoop's PSAT materials. We'll provide everything you need...minus the healthy snacks. Th...

Dig up your trench coat, grab your magnifying glass, and stick on that fake mustache (we know you have one): it's time to unleash your inner Sherlo...

This video defines parallel structure and analyzes what makes it powerful (spoiler alert: sticking to a consistent part of speech, like infinitives...

AP Psychology 2.4 Research Methods. This type of study is called a...what?

Why not just buy a new wall? We're sure Mr. Frost would be okay with it.

Want to hunt for evidence? Solve this SAT Reading mystery to get the answer!

What is forecasting? Forecasting is the prognosticating on future trends, earnings and performance of companies conducted by both internal and exte...

What is Positive v. Normative Analysis? Positive analysis defines parts of the economy using actual facts and analysis while normative analysis def...

PSAT 1.6 Reading Narrative Walkthrough

This SAT Reading video discusses the impact of anthropogenic noise on wildlife populations. At least for once they're having you read something int...

We hope you’ll find our ACT prep resources intuitive and user-friendly. Anything to make standardized tests slightly less painful...

If you've ever listened to someone with coffee breath, you know that the closer they scoot, the more intense it gets. It's pretty much the same pri...

CAHSEE ELA 3.1 Writing Strategies. Which source is best for finding out more information about the origins of the political parties' symbols?

This video explains the importance of word choice and analyzes the word choice of authors like Jane Austen and Robert Frost and statesmen like Abra...

What is CVP and Cost-Volume-Profit Analysis? Cost-Volume-Profit analysis is used in accounting to find break-even points (when profit less cost is...

Comparative advantage refers to what one party sacrifices in order to create a product or service compared to another. The one who loses out less h...

What are Determinants of Economic Growth? The primary determinants of a country’s economic growth are the goods and services that comprise the Gr...

CAHSEE ELA: Writing Strategies Drill 2, Problem 2. Which of the following would be the best source of information about the French Revolution and R...

AP Physics 1: 3.5 Waves. Which of the following outcomes could arise?

AP Physics 2: 2.2 Object Interaction and Forces. If the distance between the ball and the point charges is doubled, what is the new electric force...

What is Perfect Competition? If a theoretical market showed perfect competition, this would mean that all products are equally as useful and effect...

Take your AP test prep to the next level with our online, easy-to-use test prep resources. Does this sound like a blender commercial? Yeah. Is it s...

AP Physics 2: Fields in Space Drill 1, Problem 4. What is the electric field magnitude at a distance 3X away from the center of the sphere?

What do investment bankers do? Investment bankers help corporations make smart financial decisions, in the simplest terms. They help them make inve...

AP Physics 1: 1.4 Waves. Which of the following is technically true for Max as he stands at the edge of oblivion? 

CAHSEE ELA 1.4 Writing Strategies. Which sentence would provide additional support that fairy tales were not intended to be ideal worlds?

AP Psychology 1.4 Research Methods. This type of data collection follows which one of the following methods?

AP Psychology 2.5 Cognition. What is this behavior an example of?

ASVAB Physical Science 6.1. Low voltage and high resistance will result in which of the following?

"The Love Song of Shmoop" is next.

Pro-slavery? Yeah, that happened.

AP® Chemistry: Rearrangement and Reorganization of Atoms Drill 1, Problem 1. Which of the following sets of coefficients correctly balances t...

AP Psychology 1.2 Sensation and Perception. The cells in the back of the eye that only see in black and white are called what?

This ain't your run-of-the-mill summer camp.

The Grapes of Wrath is one of the longest—ahem, most important books in American literary history. But what's with the title?

What is the difference between a Horizontal and a Vertical Merger? Horizontal mergers happen when two companies within the same industry decide to...

Yes, we even have a Shmoop learning guide on how to use our Shmoop learning guides. We're still working on making a video on how to watch videos, t...

Ready for your quiz on wind turbines and solar cells? For all of you who have been studying up on how to use vegetable oil as an energy source over...

Muckrackers are news journalists who change the actual information to fit what the public wants to read. Are muckrakers cashing in on the public's...

In our first video on cyberbullying get a general overlook of what this series of videos will offer.

PSAT 1.9 Writing Diagnostic. How would you change the underlined portion of the passage, if at all?

Which of the following could provide additional support for the thesis of the passage if inserted after sentence 1?

AP Psychology 2.5 Sensation and Perception. What is the brain's ability to interpret the same color despite changes in lighting called?

What is Gothic Romanticism? It's when two goths fall in love. Duh. Wait, that’s not what it is? Oh. We should probably watch the video and figure...

How does transfer pricing work? Transfer pricing allows companies to set prices when exchanging goods between their subsidiaries or companies that...

What are Production Functions? In economics, production functions are calculations of maximum output from a variety of given inputs. These producti...

What is Differential Analysis? Differential analysis is a strategy used to make the best decision. Possible choices are compared to determine which...

What is a Coincident Indicator? In economic analysis, a coincident indicator is a category of statistics that are used with other indicators to gau...

What are the different types of bonds? Well, a mortgage is the biggie. Then there are government bonds, which are at the bottom of the risk ladder....

What are the types of income tax? Federal income tax. State income tax. Real estate tax. Value Added Tax (VAT). Some tax is progressive, some tax i...

Worried about how to use that big ol' 12-month license for your SAT or ACT prep guide? Well, as a very wise, animatronic fish once said, "don't wor...

What are Five Questions You Can Expect to be Asked in a Venture Capital Investing Interview? Why are you doing this? What DO you know? What do you...

In this video, learn exactly what a primary source is and isn't.

In this video learn how to read all of those pesky primary source documents your teacher keeps making you read.

In this video from our courses, learn all about listening to sounds while analyzing your primary source documents.

In this video, learn about reading and understanding images inside a primary document.

In this video learn about analyzing primary source documents that are objects.

Primary sources consist of  the actual thoughts or feelings that a person has recorded. If available, primary sources should be your primary s...

We've got your back when it comes to sourcing. And before we start, no, Uncle Moe's dreams about his past life as Queen Victoria won't cut it..for...

AP English Literature and Composition 1.1 Passage Drill 7. The primary purpose of this passage is what?

Not only is a picture worth a thousand words, but it's also a much shorter read. May we recommend the graphic novel version of War and Peace?

The quotations in lines 30–31 ("as a result…history") and lines 51–53 ("White…got there") most share which of the following relationships?

Footnote 1 is included chiefly to

Choose the best alternative to the text below.the great white is seals

CAHSEE ELA Writing: Developing Main Idea and Analyzing Sources Drill, Problem 5. Where would be the best place to go for information about the trou...

ACT Science: Research Summary Passage Drill 3, Problem 2. Under normal conditions in nature, what is the primary method these ants use to guide the...

CAHSEE ELA Writing: Developing Main Idea and Analyzing Sources Drill, Problem 2. Where would be the best place to get information about the history...

Mapping two texts together forces readers to pick common keywords, key themes, key patterns. Make a list. Check it twice. And get the gist. Or mash...

We know it may come as a surprise to you due to how little they seem to be mentioned, but there actually were women during the American Revolution....

We're still waiting for our biography to come out. We're sure someone out there is working on it. We should be famous any day now. Just y...

Did you know that written passages can have relationships? Why not. This SAT Reading video will have you analyzing their relationship like a wannab...

What is Capitalization Rate? For real estate investments, the Capitalization Rate is a calculation to determine the annual ROI rate on a property....

CAHSEE ELA Writing: Developing Main Idea and Analyzing Sources Drill, Problem 1. Which of the following statements is supported by information in t...

CAHSEE ELA Writing: Developing Main Idea and Analyzing Sources Drill, Problem 3. Which of the following statements is supported by information in t...

AP® English Language and Composition: DBQ Drill 1, Problem 1. Read the following sources (including the introduction), then write an essay in...

CAHSEE ELA Writing: Developing Main Idea and Analyzing Sources Drill, Problem 4. Which of the following is supported by information in the essay?

AP English Language and Composition 6.1 Passage Drill. The phrase "Mass it" in line 2 refers to what?

How does anthropogenic noise impact predator-prey interactions? Watch the SAT Reading video to find out.

If you're writing a paper on farming, it's best to make sure your source was written by an expert in the field. Today we'll learn about sorting the...

Today's lesson is all about knowing your audience. Like how you shouldn't tell a fart joke to your teacher in your latest essay...no matter how muc...

Let's read and analyze a passage from a travel book published in 1832. Side note: we don't recommend you use it to scope out popular English eateries.

Tammany Hall was a New York political machine most well-known for

What is an Alternative Investment? Alternative investments are just different types of investments that are a little more complicated in nature. Th...

And for the next tool on our historian's tool belt, internet search engines. Oooh, ahhhhh. This thing's getting more and more like Batman's utility...

Quoth the raven, "Nevermore." Perhaps our feathered friend was referring to this set of rules for using quotations in your essay...although we woul...

AP U.S. History 3.2 Period 5: 1848-1877. The goals presented in the excerpt have the most in common with which of the following?

What three things do you need to make an argument? And no, we're not referring to your left fist, your right fist, and your mad face.

This video identifies the difference between a summary essay (just a restatement of the text) and an analysis essay (a breakdown of the text). One...

What determines the value of a business? The value of a business is contingent on several factors. One of the primary factors is how the business f...

AP U.S. History 2.3 Period 4: 1800–1848. A primary intention of Monroe's policy was to...what?

The primary purpose of the imagery in line 17 ("Be our eyes fixed on the grass") is to

If Spiderman could spin these he'd never be hungry again. Today we're learning all about food webs. Which you actually can't eat, by the way...sorr...

AP U.S. History 2.4 Period 7: 1890-1945. Besides forcing Japan to surrender, what was another primary goal of dropping the second atomic bomb?

CAHSEE 8.3 Passage Drill. The words "pensively", "analyze", and "formulate" in Paragraph 4 suggest a feeling of...what?

AP Psychology 3.2 Developmental Psychology. Which is an accurate statement about adolescence?

Accounting is all about fairness, honesty, full and clear disclosure. Accounting allows companies and processes to be compared, fair and square.

AP U.S. History: Industrial American in 19th Century Drill 1, Problem 5. In addition to foreign aid, the United States used military force in Korea...

Moms certainly do know best, so asking for their help is a smart move. However, asking them to write your essay, complete your science fair project...

Today we're going to summarize and analyze summaries and analyses of literature. Hopefully that's a good summary of the lesson. We'll leave it to y...

PSAT 1.2 Writing Diagnostic. Which choice most effectively establishes the primary topic of paragraph 1?

Whoa, fifty different ways to say the word “whale” just in the Preface? Something tell us we’re in for a whale of a time. Yeah, we know, th...

ACT Science: Research Summary Passage Drill 4, Problem 1. What was the primary purpose of using SDS-PAGE?

The primary function of the phrase "Shadow-veiled as the years pass" in line 18 is to

In the last paragraph (lines 64–79), the author suggests that the primary reason Lee took so long to publish her novel was because

What was the primary reason so many children worked in the mills?

The primary purpose of including Nasmyth's story (lines 15–17) is to

Not every cartoon is meant to entertain small children while their mother gets some "Mommy time." There are also political cartoons, which are mean...

AP English Literature and Composition 1.6 Passage Drill 2. The primary purpose of lines 6 through 12 is to what?

The primary function of the second paragraph is to describe Catherine's

The primary purpose of the first two paragraphs (lines 1–15) is to

The primary purpose of indicating Caroline's declining health (lines 69-71) is to

What is the 1934 Securities Exchange Act? The 1934 Securities Exchange Act brought about the SEC, or the Securities Exchange Commission. This act,...

The U.S. didn't have enough soldiers for WWI... and thus was born the propaganda machine.

What is a Fully Diluted EPS? Fully Diluted EPS refers to the event that all convertible shares of a company are exercised. Convertible shares inclu...

The description in lines 89–92 ("To say. . . slave traders") is meant to

Algebra I Drill 3 Problem 3. What is the x-intercept of the equation?

AP English Language and Composition: Passage Drill Drill 1, Problem 2. What is the speaker's primary purpose in using onomatopoeia in line four?

AP English Language and Composition: Passage Drill 2, Problem 8. Which of the following best describes the primary relationship between footno...

What is Authorized Stock? Authorized stock is the amount of common stock that a company can issue. A company’s shareholders have to approve any c...

Textual Evidence: “Picking apart quotes is important in literary analysis.” Just make sure you remember how to put them back together again. No...

The author's purpose behind writing this passage is chiefly to

What is a Co-signer? A Co-signer is a 3rd party who agrees to also be held liable for a financial obligation in the event that the primary signer d...

What is a red herring? A red herring, so named because the cover page is printed in red ink, is a preliminary prospectus for an IPO. In a majority...

Hey, someone let us know if you see some money start to trickle down from the sky. We've been waiting a few decades, it should be here any minute.

He or she that answereth this question shall...answereth it. And hopefully feel kind of accomplished. Hit play and figure out the primary rhetorica...

AP U.S. History Exam 2.24. The goal of the author in writing the excerpt was to...what?

Not every cartoon is meant to entertain small children while their mother gets some "Mommy time." There are also political cartoons, which are mean...

SAT Reading Short Passages: Drill 3, Problem 1

AP English Literature and Composition 1.8 Passage Drill 7. The primary purpose of lines 58 through 66 is to what?

AP U.S. History Exam 2.47. What movement was the excerpt referring to?

Every body paragraph should start off with a good topic sentence. Not to be confused with a Hot Topic sentence...which should only be used in parag...

All right SAT Writing Shmoopers. Lets go analyze a citation in this video.

Do you know what the original purpose of the Philadelphia Convention was? And as much as we wish it had something to do with cream cheese, it doesn...

We hope you have a strong constitution, because today, we're checking out The Constitution. We're also retiring from ever telling jokes again, beca...

This excerpt from the biography is primarily concerned with describing Lewis Carroll's:

ACT Reading 22

ACT Reading 2.1 Humanities Passage. Which of the following statements about Schumann is not expressed in the passage?

AP U.S. History Exam 1.44. How did the United States' involvement in Korea and Vietnam differ from the excerpt's original intentions?

Which of the following strategies described in the excerpt was used by the English in an effort to control the colonies?

The sixth paragraph (lines 59–63) serves primarily to

The concerns expressed by Washington in the excerpt were in response to

What is r-squared? R-squared in financial applications applies to the percentage of a security’s or fund’s price movements that can be attribut...

What's not to like about greased up, oily hair? Mark Twain goes over it in his memoires in this SAT Reading video.

SAT Reading: Passage Comparison Drill 6, Problem 1

AP Psychology 2.2 Biological Bases of Behavior. What is the part of the nervous system responsible for the "fight or flight" response?

GED Reasoning through Language Arts: Writing Skills Drill 4, Problem 2. The writer mentions this data primarily to...what?

This SAT REading video gies over Eisenhower's farewell address. Heavy topic...

The author argues that "things that are together in our experience become coupled together as ideas". What evidence, if any, does the narrator offe...

AP English Language and Composition: Comprehension 1.9

A parent company is a legal entity created as a corporation to own and control the smaller companies within its purview. Yup. Sounds like a parent.

Given the following equation where a, b, and c are constants, what is the value of b?

SAT Reading Long Passages Drill 1, Problem 8

AP World History 1.3 Accelerating Global Change and Realignments, c. 1900 to Present. Mustafa Kemal is responsible for...what?

Born into a theatrical family in 1778, Joe Grimaldi was a theater superstar who rose to national prominence in 1806 playing a clown in the pantomim...

AP U.S. History Exam 1.40. During WWII, women experienced...what?

AP U.S. History Exam 2.21. Which of the following groups would most likely support the idea expressed in the image?

What is overhead? Overhead refers to a business’s operating expenses. These can include, rent, supplies, insurance, utilities, payroll, etc. Over...

The final paragraph (lines 66–74) serves primarily to

What is COGS (Cost Of Goods Sold)? The COGS is the cost of materials and labor used to produce merchandise not including shipping and marketing. It...

What do the Stanford, Milgram and Zimbardo experiments have in common? This SAT Reading video will enlighten you.

We're going to ask you to read the essay "A Quilt of a Country" not once, not twice, but three times. In addition to really cementing the words in...

Calling a book “non-fiction” is a bit like saying you have a dog. Sure it covers the basics, but there's a big difference between a Doberman an...

AP World History 2.5 Accelerating Global Change and Realignments, c. 1900 to Present. What do many historians believe caused the failure of the Lea...

Oh, statistics. They're used to personalize the ads we see on the Internet, which basically means that they're our very own stalkers. Other than th...

AP English Language and Composition: Passage Drill Drill 1, Problem 7. What is the principal rhetorical function of paragraphs one to three?

The enemy of your enemy is your friend. We all know that. But apparently your friends who won't fight your enemies, well they're also your enemies....

What are the pros and cons of IPOs, and of the secondary and primary market? Why might a company want to go public, and what's the best way to go a...

According to the information in Table 1, what was the wind direction and wind speed during the feeding event that included the largest whale?

Based on Table 1, which wind direction had the highest total number of sharks?

The best transition between "...fire hoses" and "As the 1960s" (lines 48–49) would include

The author mentions Jim Crow laws (line 23–26) and Rosa Parks (lines 26–27) chiefly to

"I went to the woods because ___?" Fill in the blank by watching this SAT Reading video on Henry David Thoreau's famous novel Walden.

A Beanie Baby - Tulip Bubble mash up. The intrinsic value of water is high. It uh.. saves your life. The intrinsic value of a Tulip became just tha...

What does "Shock the bottom out of" mean? Mark Twain uses it in the SAT Reading passage.

Watch this SAT Reading video on Eisenhower's final address for some info on his opinion of the military.

Nebula? Nebulous? Is there a difference? Watch this SAT Reading video to analyze some nebulous passages.

Where? Were? Was? It can sometimes get confusing but this SAT Writing video on The Treasury's Beginnings will save you!

All of the following statistical measures of the data above have the same value EXCEPT for

ACT Science: Research Summary Passage Drill 1, Problem 1. What is the method used by the scientists in this experiment?

The organization of the passage can best be described as

AP English Literature and Composition 1.10 Passage Drill 7. The use of a very short sentence in lines 83-85 is most likely intended to what?

According to Mark Twain, working on a steam boat was the gig or all gigs and this SAT Reading video will tell you why.

In this SAT Reading video some boys are pretty happy about a steamer explosion. Sound intriguing? Watch the video to find out more.

Who is the mystery solitary invetor that was overshadowed in this SAT Reading passage? Sounds ominous enough.

Ok Shmoopers - last one in this series on The Well-Rounded Curriculum! All you have to do is analyze some singular and plural words.

In this SAT Writing video on The Well-Rounded Curriculum, the word "Instead" is analyzed. How exciting is that eh?!

Most people experience occasional dizziness, but if the feeling persists or interferes with daily life, it could be a sign of a balance disorder. A...

What is the most likely reason the author might have for writing this passage?(A)To obtain more funding for technical education(B)To persuade reade...

Select the best version of the italicized part of the sentence. If you think the original sentence is best, choose the first answer.The train condu...

Whether or not you believe in God, Jesus, or the Holy Spirit, there's still a reason to read the Bible.

ACT Reading 1.9 Humanities Passage. Based on its context in the passage, which of the following is the best definition for the word "maledicti...

According to the information in Figure 1, what is the maximum shark size for a wind speed of ~18 knots?

ACT English: Style Drill 1, Problem 1. Does the underlined portion match the style?

The chief purpose of lines 36–37 ("Such common knowledge is rather brought than sought") is to

Did Mark Twain create the Fonzie before Happy Day? Watch this SAT Reading video to get the scoop!

This SAT Writing video on The Well-Rounded Curriculum focuses on the fate of students who take art classes. Sound ominous enough?

This SAT Writing video on The Well-Rounded Curriculum goes over "the process". No, really. The sentence they want you to analyze starts like that....

Watch this SAT Writing video on The Treasury's Beginnings for some practice with words like "neither" and "nor".

Think about how you would rewrite the following sentences according to the directions given, and then choose the best answer for each. Keep in mind...

Think about how you would rewrite the following sentences according to the directions given, and then choose the best answer for each. Keep in mind...

ELA Drills, Advanced: Comparing and Contrasting 2. What information does Source One include that Source Two leaves out?

AP U.S. History 1.5 Period 8: 1945-1980. Supporters of Joseph McCarthy would most likely prioritize which of the following?

AP Psychology 3.1 Biological Bases of Behavior. Which of the following means "little brain" because of its resemblance to the bigger structure and...

What is Activist Investing? Activist investing is done with the goal of actually implementing change at a company by buying so many of its shares....

No animals were harmed and no passive voice was used in the making of this video... well, maybe scratch that last part.

Television had a huge impact on politics. Don't believe us? Check out the 1968 presidential election where Richard Nixon went toe-to-toe with a 52"...

Why did people in Holland pay so much for tulips? Buyers remorse must have run rampant once the flowers wilted...

Why was Mark Twain drawn to the idea of a "steamboatman"? What this SAT Reading video to find out!

Want to read about some creepy-deepy prison experiments that they made a movie out of? You're in luck! This SAT Reading video is all about the Stan...

You'll have to read a table to answer this SAT Reading question on ZimbardoLand. Yes we just invented a country.

Did Washington considered something appropriate or inappropriate in the SAT Writing passage? Watch this video to find out!

Select the best version of the italicized part of the sentence. If you think the original sentence is best, choose the first answer.The story would...

Meet Mrs. Holden, star of A Tale of Two Sources. This is the best of videos, this is the worst of videos.

AP Music Theory 4.4 Score Analysis. Identify the errors in either pitch or rhythm. 

Noble citizens were victims of TulipMania as well as the uneducated poor. Greed is not a class-divided emotional response. Anyone and everyone coul...

Welcome to the wonderful world of literary devices. There are roughly a zillion of them, but we're only covering a couple in this video. See ya lat...

What does a financial analyst do? Financial analysts research the market and recommend investments. There are quite a few licenses required to be a...

There are surprisingly few dogs in this video. Just a heads up. Instead we'll talk about poetry and what makes a narrative poem. You can always tak...

This SAT Reading video on Psychology PrisonLand has you analyzing multiple passages. Yes, it's exciting!

Honest Abe—what a nickname. Abraham Lincoln was the president who led the country through the Civil War and abolished slavery. And he rocked that...

What is a Special Situation? A special situation is a scenario where buyers for a security increase not because of the the company’s fundamentals...

What happens to tulips after they die? Was Holland haunted by tulip ghosts? Watch this video on analyzing text to find out!

If it's good enough for Google, it's good enough for us. Now any Shmoop Classrooms licensee can see their students' progress (or lack thereof) in t...

Looking to prove that you have some seriously stellar high school equivalency skills? Our guide to the GED can help you get that party started with...

ACT English: Passage Drill Drill 5, Problem 1. Which choice indicates proper comma use in the underlined segment?

ACT Science: Research Summary Passage Drill 1, Problem 4. Which of the following is the control for this experiment?

ACT Reading: Social Science Passage Drill 1, Problem 2. Based on the passage, which of the following is not a conclusion reached by Freud in the co...

What rhetorical strategy does the author adopt in lines 15–21 ("But a nation…opulent amusements")?

The second paragraph (lines 5–15) serves primarily to

In the first paragraph, the extended metaphor of mining serves to

Purpose of paragraphs. Pickin' out keywords. What's it all about, Alfie? When ideas are repeated, it... matters. Often the repeat is in fact, the p...

Emily Dickinson: Along with Van Gogh, proof that you’re never really famous until you’re dead.

Next up in the saga-of-Ik. Here's a different style of question that goes from A to B and you need to figure out the pattern of A to B. Not easy.

Accretive: the acquisition has a net positive impact on earnings per share. Dilutive: earnings per share are negatively impacted as a result of the...

In this video from our course on molecular genetics, learn all about animal cloning.

What are the benefits of domestic technology? Well, for one, it puts us one step closer to living in a Jetsons like future. Who doesn't want their...

George Marshall, The Marshall Plan, Mao Zedong, Chiang Kai-shek...this video is like a buffet of knowledge...if buffets only served American and Ch...

A women's place is in the kitchen... sharpening knives to disembowel the Patriarchy.

We hypothesize that this video will increase your knowledge of the scientific method and flying cats. We really pulled out all the stops on this one.

This video gives key tips for writing punchy concluding sentences, plus advice on when to use them. Making a joke, taking a step back, and bringing...

Is it better to use a comma or a dash? Is it just personal preference? This video the technologies to reduce water usage at power plants might just...

Did they really have to make them all start with an M?

AP Psychology. That's the class where you analyze your best friend and realize her dreams mean she wants to be a donkey instead of a human, right?...

AP Statistics 3.5 Statistical Inference. To calculate a 98% confidence interval for the average number of nuts collected, we should do which of the...

Before you write a poem in class and slam it down on your teacher's desk while yelling "Poetry slam!", you might want to watch this video. We'll te...

Agricultural technologies include reapers, barbed wire, artificial fertilizer, pesticides, Transformers, robots in disguise...wait. Maybe not that...

Why can't Israel and Palestine just get along? Well, it turns out because of a long, complicated history and a lot of complex social structures. It...

Want to pull an Oliver Twist and ask us for more? We've gotcha covered. Head over to https://shmoop.com/video/subjects/test-prep/texas-eoc/texas-eo...

How do margins apply to inventory management? We'll cover the two primary drivers of share price - margins and revenue growth.

No HBO! Well then, how does a horror short story writing contest sound? And the winner is *drum roll* Mary Shelley! You go girl! And that is how Fr...

No HBO? Well then, how does a horror short story writing contest sound? And the winner is...drum roll, please...Mary Shelley. You go, girl. And tha...

Shmoop allows you and your students to access and use PSAT materials, including raw review topics, drills, and practice exams. All you need is the...

Our first video about Freytag's Pyramid was a little too long. The second was too short. Don't worry, though; this one is just right.

What happened between the creation of the Articles of Confederation and the ratification of the current U.S. Constitution? This video analyzes the...

AP Statistics: Anticipating Patterns Drill 1, Problem 2. If a student does not take a music class, what is the probability that she takes adva...

Tulips were the Beanie Babies of the 17th Century. Find out how the tulip bubble burst!

Let's dive into Nathaniel Hawthorne' The Scarlet Letter, and analyze it from A-Z. Well, actually, we're only going to focus on the first few chapte...

Waterwheels are crafty little thieves. Why? They stole a twenty out of our wallet once. Oh, and they also steal kinetic energy to do some useful th...

Today we'll be drawing conclusions. And since this is a science video, you can probably conclude that we will not be drawing pictures. Yep, it's th...

Get ready to learn everything you ever wanted to know about the Supreme Court but were afraid to ask. For example, did you know that the original m...

What if we told you that you could retire for free as long as you agreed to stop working and spend a bunch of money? Unfortunately for the 60+ crow...

If you came here with a snake bite, you're sorely mistaken. This video is about anecdotes, which are short stories. Unfortunately, they do not cure...

Take it from us, your life dream to become a meteorite is probably never going to pan out. Bummer, huh? But don't you fret, here are a few other po...

Today we're learning about the study of populations by location. Apparently Washington D.C. is almost 10,000 times as densely populated as Alaska....

You could try judging books by their covers, but we've heard that's a bad idea. We've got a few other strategies for you in today's video.

Sharona and Leslie just opened their own animation studio, and their first client wants a 24-minute episode ready in 4 weeks. An animator can produ...

Today we'll learn about how the Missouri Compromise, in part, led to Captain America and Iron Man engaging in epic an epic battle for...wait a seco...

In this video, we're going to go... inside the World of Wall Street. Investment bankers, financial analysts, and hedge fund managers - oh my.

ROE v ROA: The Smackdown. ROE is Return on Equity; ROA is Return on Assets. There's also ROB - Return of Late Library Books.

No, this does not involve tracking authors down and grilling them on their credentials. You are not Liam Neeson, and this is not Taken 3. You're sl...

Missed the movie The Big Short? After watching this video, you'll feel as if you've seen it. (But... you should still see it anyway.)

Don’t want your student's date with the CAHSEE end in disaster? Use Shmoop's test prep materials for the exam. Watch the video to learn more abou...

Want to pull an Oliver Twist and ask us for more? We've gotcha covered. Head over to /video/subjects/test-prep/texas-eoc/texas-eoc-english/ for mor...

AP English Language and Composition 4.9 Passage Drill. The syntax of the third paragraph suggests that the speaker...what?

Okay, so this probably isn't going to help you master Pokemon Go, but game theory can be applied to all sorts of situations. Even stomping your old...

Benjamin Franklin revolutionized American civil rights, libraries, universities, hospitals, fire departments, armies, and newspapers, to name a few...

CAHSEE ELA 2.2 Writing Conventions. Which of the following would be the best source of information about the French Revolution and Reign of Terror?

What was the Age of Enlightenment? It was a time of some major eye-opening. And not of the Clockwork Orange variety. An intellectual movement swept...

The History of Accounting. Seriously. This is a Thing. As business grew more complex, it needed incrementally more complex systems to track the bea...

This video defines symbolism and analyzes the use of symbolism in stories like The Great Gatsby and To Kill a Mockingbird. What effect do symbols h...

Reading: Main Idea and Sources Drill, Problem 4. Which quote from the passage best supports the idea that the railroad eased travel across the Unit...

This is The Story of an Hour...told in a few minutes. Okay, fine, eleven minutes and four seconds, to be exact. Hey, no judgment...an hour is hard...

Time to have more fun with vector components! What's that? You've never had any fun with vector components? Huh...then...time to spend more time wi...

There are numerous flavors of bonds. In this video, we'll give you a chance to, um... lick 'em all.

CAHSEE ELA 5.3 Main Idea and Sources. Which of the following statements can be best supported by information found in the passage? 

CAHSEE ELA 5.5 Main Idea and Sources. What was the author's purpose in writing this passage?

How do you start a research paper? Like... other than reading a couple of Wikipedia articles and rewriting them "in your own words"? You've come to...

What's the deal with religion in utopias? And why did we start this video description like Jerry Seinfeld? And why are we suddenly craving soup...?

For when the first search just didn't quite cut it...

It's important to make sure your sources are reliable by checking for references, authors, objectivity, and other criteria. Just because a website...

AP U.S. History Exam 2.43. The problem depicted in the image led to the creation of...what?

You know what you're going to carry away from this lesson on The Things They Carried? Knowledge. There's no better takeaway than knowledge...except...

APA = American Psychological Association. These are the folks have the power to invade your unconscious mind at will. Kidding—all they want to do...

Meet Tennessee Williams. Yes, that's the man's name. You know the guy - he was besties with Oklahoma Smith and Wyoming Johnson. Anyway, he wrote th...

AP U.S. History 1.4 Period 8: 1945-1980. In the decade leading up to the oil crisis, America's energy needs were...what?

The Jeffersonian Republicans were in favor of increasing trade with

CAHSEE ELA: Main Idea and Sources Drill 5, Problem 2. Using information from the passage, which of the following statements is most accurate?

What is the relationship between expected return and standard deviation? Is it an, um... open one?

Time to learn about impulse problems…and no, not the fact that we ate an entire pizza last night. We’re talking impulse as it relates to physics.

Introducing the father of free verse, the poet of patriotism, the world’s wittiest Walt… Mr. Whitman.

It's experiment time! No, we're not digging up any bodies from graveyards - different science class. In this one, we're going to be checking out th...

AP U.S. History Exam 1.12. Which of the following had the greatest impact on the political ideas Paine expressed in the excerpt?

CAHSEE ELA: Main Idea and Sources Drill 5, Problem 1. Which of the following most accurately summarizes the main idea of this passage?

The main idea in lines 13-15 ("How else dispose…dumped down?") is best described as

Sure we can say that Harry Potter made a living wrestling sharks, but that's a pretty useless claim without evidence to back it up.

Moby-Dick. Chapter 135. No, we're not kidding. This Melville guy was as big on quantity as he was on quality.

What is Regression Analysis? Regression is a form of statistical analysis that goes back to trading history and isolating a particular variable to...

You know how you can't copy someone else's answers on a homework assignment? Well the same goes for publishing someone else's ideas. That is, unles...

This video goes over MLA citations: where to put page numbers, how to set up a works cited page, and how to cite with long quotes.

This lesson is surprisingly not going to be about early human's addiction to Starbucks and Red Bull. Hit play to find out more about early humans a...

Where does our water come from? It doesn't just grow on trees...right? If it did, what would you water those trees with?

This video covers the top ten things to definitely not do in an essay and provides some tips for how to avoid them. Plagiarism and disorganization...

Don't worry, we took it out of the shell and put it in a video instead so you could see it better. Those shells can be tough to crack. Today's less...

When searching once doesn't do the trick, you'll have to...re-search. Today's video will teach you not only how to research things, but also whethe...

AP English Literature and Composition 1.9 Passage Drill 7. According to lines 67 through 77, what lesson did each brother learn from his famil...

The social sciences have entered the age of data by utilizing the many sources of written language that social media offers. Through social media s...

Don't lose your marbles over this AP Physics question. We'll be sure to point you in the right direction. 

Our second Poe video takes a closer look at Poe's poem "Ulalume," and its historical context. Spoiler alert: like almost every other Poe work, some...

What are liquidity and cash stash? Well, they have to do with having quick, easy cash on hand.

Quoting, paraphrasing, summarizing, making your own argument, finding sources...yeah. We know how to get a party started.

AP Physics 2: 2.5 Waves. Which of the following statements is true?

Oedipus confronts Jocasta about the prophecy and learns that it has in fact come true. What could be a more awkward family dinner conversation when...

Time to discuss Annay Quindlen's "A Quilt of a Country." We're going to wrap ourselves up in a cozy quilt to do so, and we highly suggest you do th...

When light waves, what should you do? Wave back of course. You don't want to be impolite. Today's video is all about light waves.

We've got some fab lab vocab for you today. Unfortunately, it doesn't have anything to do with Labradors...but it could help you not die in a labor...

The process of revision involves editing, proofreading, writing multiple drafts, evaluating your evidence, clarifying your main point, and admittin...

No, this video will not teach you how to imitate the fashionistas struttin' down the streets of South Side. But you will learn the tools you need t...

Waiting around for more things to die so we can keep harvesting oil seems a little dreary, don't you think?

CAHSEE ELA 1.4 Writing Conventions. Which sentence would provide additional support that fairy tales were not intended to be ideal worlds?

Shmoop may not be an expert on love or major league baseball statistics. But if there’s one thing we do know, it’s the internet. Oh, and resear...

CAHSEE ELA 1.4 Writing Conventions. Which sentence would provide additional support that fairy tales were not intended to be ideal worlds?

Modern nonfiction. It's hot. It's dope. It's... whatever word is being used to describe something that's hip and trendy these days. But really, it'...

In this ACT English drill question, figure out if the underlined segment requires a correction or not.

Lines 20-24 ("No one would…work and sleep") suggest that the brook

AP U.S. History Exam 1.28. What made it possible for businesses to consolidate and grow in the way that the image represents?

AP U.S. History Exam 1.55. Which of the following was a result of the demographic changes shown in the map?

Here comes the sun, doo doo doo doo… Seriously, it gives us energy so we don’t die. We’re hoping it keeps on coming.

In this video from our course on molecular genetics, learn all about cloning.

SAT Reading Sentence Completion Drill 4, Problem 1

AP U.S. History Exam 1.10. What was the major concern of colonists who opposed the provisions listed in the excerpt?

AP U.S. History Exam 2.14. Washington used his farewell address to warn Americans of...what?

We had a hilariously ironic description of this video written and ready to publish, but then our dog ate it. So you get this one instead.

Today we'll teach you how to sort between the right and wrong sources for your research. Remember, .edu sites are probably good, sites with tons of...

Which statement contrasts with Ralph Green's accomplishment of being a Paralympian?(A)Fear is not a factor in his skiing.(B)Anyone can break barrie...

This video explains what role an antagonist serves and how to identify the antagonist in a story. Fun fact: the antagonist doesn’t have to be evi...

ACT Science: Research Summary Passage Drill 2, Problem 6. Which of the following is most likely not a critical component of the distillation c...

AP Biology 5.4 Free Energy and Molecular Building Blocks. What is it known as when plants respond to a change in the length of night?

AP U.S. History Exam 1.18. One significant result of the work in the excerpt was...what?

If a person were to try to make a more authentic version of fry bread, what ingredient would he or she most likely include?(A)Cooking oil(B)Husk(C)...

Choose the best alternative to the text below.less games

Which of the following would best convince Scientist 2 to re-examine Scientist 1's work?

In this ACT English passage drill determine if the writer of the passage may or may not have achieved their proposed goal.

AP English Literature and Composition 1.4 Passage Drill 5. According to lines 5 and 6, "much pleasure" derives from what?

What is a Crown Jewel? A crown jewel is the term given to a company’s most valuable and often most profitable asset(s). This is very often an int...

Rhombi are a girl's best friend. Or so we've heard, anyway.

Which of the following represents the best reading of the bibliographic information in footnote 1?

AP Physics 2: Fields in Space Drill 1, Problem 1. Which diagram correctly illustrates the magnetic field around the bar magnet?

The acquisition of the new territories mentioned in the excerpt caused all of the following events except

In this video from our course on molecular genetics learn all about types of mutations. 

SAT Math 9.1 Algebra and Functions

Jim Paterson is quoted in the selection. What is his most likely reason for speaking so highly of D&D's MagnaLatch?(A)His goal is to keep children...

Don't fence these writers in. Or do... maybe enclosures aren't so bad after all.

Did we domesticate animals, or did animals domesticate us? ...We domesticated them? Huh. Then why does our cat make us wear this collar?

Emily Dickinson was a New England poet/hermit with a fascination with death and immortality. She wrote over 1000 poems in her lifetime, most of the...

PSAT 1.15 Writing Diagnostic. How would you change the underlined portion of the passage, if at all?

We tried watching calories once, but they barely did anything. What a waste of a weekend. We'll stick to counting them from here on.

We hear nuclear power is explosively popular. Eh? Eh? ...Don't tell us to keep our day jobs. This is our day job.

AP Psychology 1.2 Biological Bases of Behavior. Which part of the system will the doctor likely check first?

AP U.S. History Exam 2.8. Which of the following had the greatest impact on colonial resistance to the Navigation Acts?

Pick a pronoun, any pronoun… well, actually, maybe just pick the right pronoun.

Texas EOC English 2: 4.3 Understanding and Analysis Across Genres. What does the selected text imply about estuaries?

Texas EOC English 2: 4.5. For what purpose does the passage mention "commercially-important species of fish"?

You know what no potatoes means? No french fries. We don't blame the Irish for high-tailing it out of there along with all of the other political r...

AP English Language and Composition 6.10 Passage Drill. What significance does the title of the article have to the reading?

AP Physics B: Waves and Optics Drill 1, Problem 1. Which of the following is technically true for Max as he stands still at the edge of oblivion?

AP U.S. History Exam 1.54. The changes in the population shown on the map led to debate over...what?

AP U.S. History 4.5 Period 5: 1848-1877. The sentiment of Calhoun's excerpt reflects a continuation of which of the following trends?

Because the world is working hard to make sure that your brain hurts, there is more than one way to cite an outside source within an essay. You can...

AP Microeconomics 1.4 Basic Economic Concepts. Which of the following is suggested by the slope of the production possibilities curve below?

What is an Airport Revenue Bond? An airport revenue bond is a muni bond that is issued and backed by an airport. The revenues from the airport pay...

ASVAB Paragraph Comprehension 4.3 Summary. In what context would you expect to see this passage?

AP U.S. History Exam 1.9. When discussing the country's need to protect the British colonies, Parliament was referring to...what?

The Emancipation Proclamation accomplished all of the following except

ELA Drills, Advanced: Point of View 2. Which incident was most important in leading to the dramatic irony in the passage?

The United States destroyed its six-ton stock of confiscated elephant ivory, sending a clear message that the nation will not tolerate the wildlife...

Find out the meaning behind "knock knock, who's there?"

What are the problems with technological history? Seriously? We haven't even figured out yet how to solve a problem like Maria.

In this video from our course on molecular genetics learn all about the polymerase chain reaction.

Check out the best bias video ever made, courtesy of the most awesome and amazing educational website in existence.

It takes a tiny village to build a tiny renewable energy source.

With great power comes great responsibility… And dragging and dropping as you customize your own courses? That’s the greatest power of all....

In this video, we'll be asking you to put political thinkers into chronological order. Don't let anyone tell you we don't know how to live it up.&#...

AP European History 1.3 Period 1: 1450-1648. The definition of humanism includes what?

Truth is often stranger than fiction, and it turns out it's usually more depressing, too. Just ask Charlotte Brontë what inspired her to write Jan...

Welcome to Shmoop, where we help you learn your material in an engaging (and entertaining) way. Every day, thousands of students like you visit our...

Today we're going to tell you all about this Aksum—sorry we mean awesome place called Aksum. At least, it was Aksum (and awesome) about 2000...

What is Automatic Reinvestment? Automatic reinvestment means that all of the money that investors make, “capital gains,” is reinvested into the...

Where we're going, we don't need roads. ...Oh, that was misleading. We're not going to the future. We're going to space. Sorry for any disappointment.

What is the Wealth Effect? The wealth effect suggests that when the stock market is doing well, people tend to spend more money. Their investments...

Personally we consider plants some of our closest friends, but there's a whole host of non-companionship reasons to find them important as well.

Today we're going to convert wind into energy. No, it's not a lesson on alchemy. We're not allowed to teach about that anymore. Take a look at the...

Reading gives you knowledge. Knowledge makes you smart. Being smart is sexy. Need we say more?

AP World History 2.3 Accelerating Global Change and Realignments, c. 1900 to Present. The geographic region that India and Pakistan have fought to...

Aren't you just over the moon about analytical essays? Can't wait to write that critical political analytical essay right this instant? We know the...

The blame game may sound fun and rhyme-y. But it's not. Well...it does rhyme, but it's not fun. Today's video will teach us about how and why blami...

What do you do when your war material factory loses all of its customers? Make the factory even bigger. ...Well that sounds ridiculous, but so...

There are good and bad sides to pretty much everything. Except Shmoop. We're never bad. If anyone tells you we are, simply laugh in their face, cov...

What is Gift tax? Gift tax is a Federal tax charged to the receiver of a non exempt cumulative gift of over $15,000 from one giver in one year. Exe...

Toxin resistant crops sounds like something straight out of a Marvel movie. ...Actually, we'd watch that movie. Have your people call ours, Marvel.

Word to the wise: if you ever work on a weapon that can destroy the world, you might want to leave it off of your LinkedIn profile.

Learn to debate like a champ. It's way better than debating like a chimp. That just takes mudslinging to a whole new level.

Point of view is exactly what is sounds like: the personal perspective of a given character or narrator. We have points of view, too. They're those...

Who's this Jimmy Carter fella? Isn't that the cricket who gave Pinocchio all that bad advice?

When it comes to starting wars, fossil fuels are right up there with religion and Helen of Troy.

Today we'll learn about how people hated taxes so much that they were willing to change religions just to avoid them. And as a result, Aksum became...

The names of our planets weren't just pulled out of a hat. If it had been that simple, we might have planets with names like "Trevor" and "Monique....

If you're lucky, you'll find text written by an author trying to inform and entertain you. That's definitely the best combination right there....

Mmm, burning coal… smells like the slow, toasty-warm destruction of the environment.

The search for renewable energy led us to look carefully at many things: wind, water, the sun, our grandpa's farts after taco night...all viable op...

Rachel, Monica, Joey, Phoebe, ...Commodore Matthew Perry? That can't be right. Check out this video to find out more about Perry, steam ships, and...

Cyber warfare sounds scary, but guess what? ...It actually is. Sorry, we thought we could be reassuring, but then we remembered how afraid we are....

Which of the following would both scientists agree on?

A short evolution of accounting: from counting rocks in a cave, to lined paper, to computer and software. All hail the Quickbooks gods!

What is the 2001 USA Patriot Act? The Patriot Act was made in response to the attacks of September 11th. It helps those individuals with federal po...

If you're looking for the perfect vacation spot/abandoned nuclear power plant/giant disaster area, Chernobyl just might be the perfect place for you!

Animals were the muscle behind the wheeled vehicle revolution. They're also cute and so much better than people. What? That's a fact.

Check out this video on car transportation. If it doesn't feel as long as your last family road trip, we'll have done our job.

What's less alarming than a nuclear reaction? Most things, actually. But this video about nuclear reactions is definitely one of them.

Horses and camels gave us so much, and what did we give them in return? A lousy gift card to Panera. Let's do more for them...starting with watchin...

Time to explore some agricultural problems, and lean how poop was the solution. No, seriously. Poop.

Hygiene in the ancient civilizations left something to be desired, but hey, at least they had soap. That's more than some of the smellier people we...

They aren't green, they don't come from greenhouses, so why do we call them greenhouse gases? Well, we're not going to give it away in the descript...

Yep, We're not kidding. This totally used to happen. Wives and children of soldiers would just march along with them and help out behind the scenes...

Historians don't always get things right. Did you know that Pocahontas never actually had conversations with talking trees? Yeah, we were shocked too.

Today we'll learn about what drove the automobile industry in the early 1900s. Spoiler alert: hippomobiles will definitely be mentioned.

Are you ready for college? Shmoop provides all the prep you need to help get you there—from SAT to ACT to PSAT... and back again. Shmoop + you =...

AP Physics 2: 1.4 Systems Interactions and Changes. What is the electromotive force induced in the coil of wire for one full rotation of the wheel?

How do you get fertile soil? You wait until it ovulates. ...Yeah, we'll see ourselves out.

Gunpowder is one of humanity's scarier inventions, but hey, it gave us fireworks so we'll let it slide.

If you're building a case involving literature does that make it a...bookcase? Well, not in this case. Check out the video to learn all about what...

The My Lai Massacre claimed hundreds of innocent lives and alerted Americans to the real atrocities happening in Vietnam.

Time to learn about heat transfer. And no, that doesn't mean which Miami Heat players are leaving the team this year.

What is the second law of thermodynamics? That's the one about a Thermos being the most dynamic of all drinking containers, right? Uh, wrong. Basic...

What are oligopolies and oligopsonies? Oligopolies are market manifestations where a small group of product or service providers control a market i...

What is free trade? Well, we’ll give you our knowledge of free trade in exchange for a click on this video...

What is Underground Economy? The underground economy encompasses all sources of income that are illegal. For example, activities like selling drugs...

What’s better than balanced brain? If you answered jet pack brain, you’re on the right track, but we’re thinking a little more practical. How...

Solar and wind energy are both great ideas...until the weather decides to go rogue and overthrow our entire government. ...It could happen. Sleep w...

Today, we're going to learn about raw materials used to make clothing. Word to the wise? If you're wearing anything silk, you might want to take it...

While the rest of the world was busy fighting World War I, Russia found itself keeping up with conflict at home and abroad.

What is Social Security? Social Security is a Federally administered program signed into law by President Franklin Roosevelt during the Depression....

What is Scarcity? Scarcity is the economic concept and study of limited supply of a product or resource vs. potentially unlimited demand. The study...

The Knights of Labor is a pretty awesome name for a labor organization. Especially with groups like "The Wobblies" popping up around the same time.

Tired of studying energy? Well, no worries, we've taken care of all of that studying for you in this handy dandy review video. But that's as far as...

What is the difference between income statements for manufacturing, service, and retail? Income statements differ between industries simply because...

How are muni bonds rated? Because, uh... we don't see any numbers for them on Rotten Tomatoes. Mainly, it has to do with risk.

The elusive nature and notion of profits.

Time to learn about the second law of thermodynamics. But be efficient about it...our narrator has places to go, and places to clean.

The how and why of Muni Bonds.

What is electrical charge transfer? Y'know that shock you get shuffling your feet along the carpet and then touching an electrical socket? Yeah, do...

Time to dive into Newton's Universal Law of Gravitation. We'll get into inverse square laws, orbital velocities, and all sorts of things Newton use...

Newton's Third Law states that every action has an equal and opposite reaction. Something to keep in mind when trolling online.

There are many forms of energy. And not just coal, wind, and solar. We'll cover the types, how energy is converted, and the difference between kine...

Here's the best practices panel from our very own 2014 interSECT conference down in LA, California.This is the first half of the conference, to wat...