Energy Review (Mystery Science)

A sister pushes her brother on the swing. Will the swing come back and hit her?

• Yes, because the swing gets energy when it's moving

• Yes, because the swing will be going fast by the time it gets to her

• No, because the swing is only going fast when it's away from him

• No, because the swing won't have energy to go higher than where it started.

• No, because he didn't drop the swing from high enough.

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Two friends, Bob and Fred, are at the amusement park trying to figure out which of the two biggest roller coasters to ride. Here are the two rollercoasters. Which roller coaster will go the fastest and why?

• Rollercoaster A because it starts with the tallest hill.

• Rollercoaster A because it has more hills

• Rollercoaster B because it has fewer hills

• Rollercoaster B because the tallest hill is second

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How does a car (regular car) get its energy?

• rubberbands

• burning gasoline

• the air

• Going down hills

Where does your body get energy from?

• sleep

• batteries

• eating food

• height

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Where do batteries get energy from?

• Heat

• Batteries/electrical energy

• Food

• Height

Where does a ball on top of a ramp get its energy from?

• Height

• Gas

• Batteries

• Food

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Where does a rubber band squeezing a watermelon get its energy from?

• height

• being stretched

• electrical energy

• food

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What is unique about electrical energy ?

• It has stored energy

• It flows from positive to negative charges and it goes through metals such as aluminum or copper.

• It makes objects move and work

What are types of alternative energy sources?

• Heat, Height, and Electrical Energy

• Sun, Water, and Wind

• Sun, outlets, and ramps