Energy Homework Review

Where does a ball rolling down a hill have the most kinetic energy?

• At the top of the hill

• At the bottom of the hill

• Directly after it begins rolling

• When it has stopped rolling

How could you increase the potential energy of a person skydiving?

• Jump from a higher altitude

• Jump from a lower altitude

• Jump from a faster plane

• Jump from a slower plane

The material that a rubber ball is made of a material that allows it to bounce. What type of energy is in this material?

• kinetic

• elastic

• chemical

• gravitational

An engine burns gas to break up the bonds in its molecules to generate mechanical energy to move a car. What type of energy is released by burning gas?

• Electrical

• Electrostatic

• Nuclear

• Chemical

What is mechanical energy?

• Energy that moves in waves and causes vibrations in matter.

• Energy possessed by an object in motion.

• Energy generated by the Earth's poles.

• Energy locked in the nucleus of an atom.

What type of energy is generated when there is friction between two objects?

• electrostatic

• elastic

• magnetic

• electrical

True or False: An object can only have one form of energy.

• True

• False

Particles in a substance move ___________ the more thermal energy they have.

• slower

• faster

The _________ an object is off the ground, the more gravitational energy it has.

• higher

• lower

The ability to do work or cause change is called ________.

• matter

• energy