What makes roller coasters go so fast?

If things need energy to move, how do rollercoaster work?

• There is a small engine that keeps it moving up and down all of the hills.

• The hills help it to store energy. This keeps it moving forward.

• The turns in the roller coaster help it to have more energy.

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Walking up a steep hill requires a lot of energy. Where does this energy come

from to make the climb?

• It comes from our body which is like a machine and creates its own

  energy.

• It comes from the food we eat.

• As we walk up the hill, we have more and more energy coming out.

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Going downhill

• releases stored energy.

• stores energy in an object.

• removes energy from an object.

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After climbing up a really high hill,

• you will have more stored gravitational energy

• you will have less stored gravitational energy.

• you will need more energy if you want to come back down.

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Why is Goliath Roller Coaster the fastest wooden coaster in the world?

• It has a lot of turns that keeps it moving.

• It has a lot of small hills that help it to gain energy.

• It has the tallest first hill of all wooden roller coasters.

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What is gravitational energy?

• Storing energy in something by placing it at the bottom of a hill.

• Storing energy in something by connecting it to a power source.

• Storing energy in something by giving it height.

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How does adding more marbles to the track affect the hill marble.

• Energy is transferred from one marble to the next, slowing it down.

• Energy is increased so all of the marbles will be eaten.

• Energy starts to disappear because it uses energy to go down the hill.

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