KE and PE Test Review

Energy cannot be created or destroyed.

• True

• False

Potential energy is energy that is...

• in motion

• stored

• not capable of doing work

• not capable of causing change

Energy is the ability to cause change.

• True

• False

Energy is lost when friction occurs.

• True

• False

A dump truck and bicycle traveling at the same speed/velocity will have the same amount of kinetic energy.

• True

• False

As mass decreases, potential and kinetic energy increases.

• True

• False

A book sitting on a shelf has gravitational potential energy (potential energy)

• True

• False

Energy is measured in Joules.

• True

• False

The kinetic energy of an object increases as its _____ increases.

• gravitational energy

• potential energy

• specific heat

• velocity

Which of the following devices does not make use of electrical energy?

• upright grand piano

• radio

• toaster

• digital camera