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Science 3: Major Geological Events 32 Views


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Description:

They may not be as exciting as a sharknado or a weaselquake, but the events leading to the formation of the earth were pretty cool too. Or, well, hot we guess. There was a lot of lava involved.

Language:
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Transcript

00:03

[Coop and Dino singing]

00:13

Movies and TV shows often deal with events happening in the real world and [Kids watching movie]

00:17

with the effects of global warming becoming more and more apparent a new

00:20

kind of Hollywood blockbuster has emerged the disaster movie children [Hollywood sign and Disaster movie advert appears]

00:25

tsunamis is flooding hurricanes earthquakes tornadoes and more

00:30

blockbusters are packed with extreme water intense action and special effects [Soldier appears]

00:36

and sometimes even airborne sharks they're also often just a little bit

00:41

over the top but unlike that thankfully make-believe event featured in movies [Statue of Liberte covered in ice]

00:45

like The Day After Tomorrow and the perfect storm the amazing events that

00:49

led to earth creation really did happen and boy were they extreme 4.6 billion

00:56

years ago our solar system was simply a cloud of dust and gas that we called the [Nebula appears]

01:00

solar nebula looks like the cover of us that means eventually this material

01:05

began to clump together forming various planets including the one we call home

01:10

but it sure did not look like home back then it was seized of hot melted [Earth appears as a red hot melted rock]

01:15

rocks not exactly where we want to take a relaxing vacation

01:20

thankfully earth was bombarded with a giant space rock [Meteorites in flight]

01:24

we know that sounds very important but it was actually a good thing it cause

01:28

the planet to solidify and cool thanks random floating space junk in fact this

01:34

sort of space debris even went on to form our Moon the whole whammy space [Moon appears beside space debris]

01:39

junk still like we were saying earth began to

01:42

cool but take that with a grain of salt because sure it was technically cooling [Geyser spits out lava]

01:46

down but at this point there was still plenty of magma erupting all over the

01:50

place oh yeah I was cooling but it wasn't [Thermometer decreasing]

01:53

exactly cool and if that whole there's liquid magma erupting all over the

01:58

surface of the earth thing wasn't enough to make you think I'm maybe not the best

02:02

place for humans to glue quite yet well this certainly well the entire

02:06

planet's atmosphere consisted of totally poisonous gases that would have killed [Gas appears]

02:10

Amy humans attempting to call earth whole toxic gas and boiling magma you

02:16

swing the earth was doing its best to keep humans as far away as possible

02:20

well too bad for you earth where a pretty stubborn group of people the

02:24

earth can you need to cool and really why wouldn't it [Earth puts on pair of sunglasses]

02:27

who in their right mind wouldn't want to get cooler and cooler as time went on

02:31

and with his cooling came clouds water vapor and rain and pools of water that [Rain falls into ocean]

02:36

eventually became of course we humans are not in fact a race of mermaids and

02:42

mermen that would be pretty cool now unfortunately we need land to live [Mermaid on a rock and a man wearing scuba gear in the water]

02:47

on so how did land get formed well when really hot rocks cool down enough it

02:53

becomes not so liquid rock in other words solid rock

02:57

otherwise known as land know when liquid rocket all of that water is solidified

03:03

informal and madmen we don't know about you but we say this planet looks about [People in spacecraft in space looking at Earth]

03:07

ready for some organisms huh and so about 2.5 billion years ago

03:12

primitive organisms began to appear on earth that go by the name of blue-green

03:16

algae ah just look at those little guys okay [Blue green algae appear on Earth]

03:20

they may not look that impressive but you gotta start somewhere right?

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