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A student places the two crystals in cold water. Will the reaction take place faster or slower than if the student had used warm water?

A student is trying to write down the reaction for the lead and potassium switching. Which of the following is the best answer?

A student wants to see the effect that the size of the dish has on the experiment. She places two crystals each in a separate small dish and two in...

Students observe a yellow cloud forming in the dish during the experiment. On the basis of the information provided, which of the following is most...

Gas molecules move around faster than liquids or solids of the same temperature. If the same experiment were conducted using different compositions...

A student forgot to paint the bulbs of the thermometers black. His numbers and trend were not as strong as those of other students. Which of the fo...

A student moved a thermometer farther and farther away from the blue portion of the spectrum towards the prism. At a certain point, the thermometer...

Using the visible spectrum (red, orange, yellow, green, blue, indigo, violet), what color will yield a warmer temperature?

The students recreating Herschel's experiment performed their study during the hottest time of the day. A student missed class and was told by the...

Which of the following conclusions about the sun would be supported by Herschel's experiment?

What happens if the student breaks a bulb in the series circuit?

What happens when the student adds another bulb for a total of three bulbs in their series circuit?

A student takes out a light bulb in the parallel circuit. What will the student observe?

A fourth light bulb is added to the parallel circuit. What will happen to the battery?

If you do not want to spend lots of time checking holiday lights for the one bad bulb, which type of circuit do you want to have on hand?