Catapults

What is a catapult?

• A time machine

• A simple machine built for wartime, used the throw heavy objects at enemies

• A slingshot

• A machine invented recently

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What is and important, strong and sturdy shape used in constructing the base of a catapult?

• Square

• Rectangle

• Triangle

• Circle

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What worked well with your catapult design? Explain

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What could you have done to make your catapult design better? Explain.

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What was your favorite part about our catapults project? Explain.

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What was your favorite part about our catapults project? Explain.

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What was your favorite part about our catapults project? Explain.

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Stored energy is sometimes called ___.

• a puffy ball

• kinetic energy

• potential energy

• a spoon launch

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When the arm is released, the energy is converted, or changed, into ___.

• potential energy

• flying energy

• gravity

• kinetic energy

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Without ___, the object that was catapulted might continue to fly forever.

• kinetic energy

• potential energy

• gravity

• fire and wind

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