1. 1. The kinetic energy of an object increases if which happens? A.Its mass decreases. B.Its speed increases. C.Its height above the ground increases. D.Its temperature increases. DON’T FORGET TO SKIP A PAGE IN YOUR CRCT NOTEBOOK!

2. 2. When chemical energy is converted into thermal energy, which is true? a.The total amount of energy changes. b.Only the amount of chemical energy changes. c.Only the amount of thermal energy changes. d.The total amount of thermal energy plus chemical energy does not change.

3. 3. An internal combustion engine converts thermal energy into which form of energy? a.Chemical b.Mechanical c.Radiant d.electrical

4. 4. An example of chemical energy transformed into light energy is a.A candle burning. b.A light bulb shining. c.A traffic light turning red. d.A television screen lighting up.

5. 5. Which form of energy does light have? a.Electrical b.Nuclear c.Kinetic d.Radiant

6. 6. Muscles perform what type of energy transformation? a.Kinetic to potential b.Kinetic to electrical c.Thermal to radiant d.Chemical to mechanical

7. 7. Earth receives energy from the Sun by a.Convection b.Conduction c.Radiation d.Temperature

8. 8. As a ball rolls down a hill, it has less potential energy than it did at the top of the hill. Some of the ball’s potential energy a.disappears b.decreases c.creates even more energy. d.changes to kinetic energy.

9. 9. Which of the following changes chemical energy into radiant energy? a.Blender b.Flashlight c.Ceiling fan d.Human body

10. 10. What kind of energy is the archer giving the string of the bow? a.Potential thermal b.Radiant c.elastic d.kinetic