CATAPULTS

Catapults offer some great lessons on ___.

• math

• physics

• reading

• chemistry

When the arm of the catapult is pulled back, there is ___ that is stored.

• energy

• potential food

• flying objects

• a puffy ball

Stored energy is sometimes called ___.

• a puffy ball

• kinetic energy

• potential energy

• a spoon launch

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

• potential energy

• flying energy

• gravity

• kinetic energy

What happeed when kinetic energy was released in our catapults?

• a pompom falls on the ground

• a pompom is launched into the air

• gravity makes the pompom fly way up

• a cannonball will hit the castle and burn it down

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

• kinetic energy

• potential energy

• gravity

• fire and wind

Why doesn't the object continue to fly forever?

• the energy remains stored

• there is no wind

• it falls to the ground

• gravity pulls it down

What was the simple machine called that we built yesterday?

• a screwdriver

• a motion detector

• a liliput

• a catapult

What is the best reason as to why all of our pompoms flew different distances?

• the catapults were each just a little bit different

• some of us were cheating on purpose

• the pompoms were all exactly the same

• the spoons were not the same

How could you change your catapult in a scientific way to measure how far the pompom would travel?

• use different color of rubber bands

• use different colors of pompoms

• slide the spoon forward or backward a bit

• ask your friend to measure it differently