Energy

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

Choose the answer that has the most ELASTIC POTENTIAL energy.

• a rubber band pulled back all the way

• a rubber band pulled back part of the way

• a rubber band laying on a table

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

• a 500 kg boulder on a 5 meter hill

• a 500 kg boulder on a 10 meter hill

• a 500 kg boulder on a 20 meter hill

What two factors affect GRAVITATIONAL POTENTIAL energy?

• mass

• height

• speed

• mass and speed

• mass and height

Which has more GRAVITATIONAL POTENTIAL energy and WHY? (Choose the BEST explanation!)

A roller coaster car at the top of a hill

OR

a roller coaster car at the bottom of the hill.

• The car at the top because it is not moving, so it has more potential energy.

• The car at the top because it is higher off the ground, so it has more GPE.

• The car at the bottom because it is going faster.

• The car at the bottom because it can't go any lower.

As mass decreases, kinetic energy ________.

• decreases

• increases

• stays the same

• is not related

Lowering an object __________ its potential energy.

• decreases

• increases

• does not change

• doubles

Chemical energy is a form of ________energy because it results from the relative positions of the particles within a material

• Kinetic energy

• Potential