PS2 LS2 Review

Front

As temperature increases, molecules _____________

Back

move faster

Front

All matter is made up of atoms that are constantly moving. True or False?

Back

True

Front

Which of the following is an example of a change of kinetic energy into gravitational potential energy? a) a person parachuting out of a plane b) a car racing around an oval track c) a person skiing down a hill d) a person walking up a hill

Back

d) a person walking up a hill

Front

Which type of potential energy causes the arrow to shoot from the bow? a) kinetic b) elastic c) chemical d) gravitational

Back

b) elastic

Front

Kinetic energy is related to the ________ of an object.

Back

Speed

Front

What is kinetic energy?

Back

The energy an object has due to its motion.

Front

What is potential energy?

Back

The stored energy in an object due to its position or state.

Front

What happens to the kinetic energy of an object if its speed doubles?

Back

The kinetic energy increases by four times.

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv² (where m is mass and v is velocity).

Front

What is gravitational potential energy?

Back

The energy an object has due to its height above the ground.