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Name ______________________________ Class ___________________ Date __________________
Work, Energy, & Conversions
1.What is the ability to do work called?
a. movement
b. energy
c. power
d. force
KINETIC ENERGY
2. What is the energy of motion called?
a. potential energy b.mechanical energy
c.
kinetic energy
d.
force energy
3. In the formula for kinetic energy, what does the m stand for?
a. measure
b.mechanical energy
c. mass
d.
meter
4. When a moving object has more mass, what happens to its kinetic energy?
a. Its kinetic energy becomes greater.
b.
Its kinetic energy becomes less.
5. Speed has the greatest effect on which of the following types of energy?
a. kinetic energy
b.mechanical energy
c.
potential energy
d.
force energy
POTENTIAL ENERGY
6. The energy an object has because of its position is called _______?
a. mechanical energy
b.potential energy c. kinetic energy
d. thermal energy
7. When you use force to lift an object, what are you giving the object?
a. mechanical energy
b.
wind energy
c. gravitational potential energy
d.
thermal energy
8. The amount of gravitational potential energy that an object has depends on what?
a. the object’s height and circumference
b.
the object’s weight and height
c. the object’s weight and energy
d.
the object’s height and energy
9. Which type of energy is in the wound-up rubber band in a toy airplane?
a. mechanical energy
b. kinetic energy
c. potential energy
d. elastic potential energy
MECHANICAL ENERGY
10. What is the total energy of motion and position of an object called?
a. potential energy
b.
gravitational potential energy
c. mechanical energy
d.
kinetic energy
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
17
Energy and Energy Resources
Name ______________________________ Class ___________________ Date __________________
11. What is a change from one form of energy to another called?
a. electrical energy b.energy conversion
c. kinetic energy
d.
potential energy
KINETIC ENERGY AND POTENTIAL ENERGY
12. When the skateboarder is on top of the half-pipe, which type of energy is at its peak?
a. mechanical energy b.kinetic energy
c.potential energy
d. elastic potential energy
13. As the skateboarder reaches the bottom of the half-pipe, which of the following types of
energy is at its peak?
a. mechanical energy b.kinetic energy
c. potential energy d. elastic potential energy
CONVERSIONS INVOLVING CHEMICAL ENERGY
14. Which of the following types of energy is in the food you eat?
a. chemical energy b.thermal energy
c. light energy
d. nuclear energy
15. Which of the following energy conversions takes place when you eat food?
a. chemical energy to light energy
b. chemical energy to kinetic energy
c. light energy to kinetic energy
d. light energy to potential energy
WHERE DOES THE ENERGY GO?
16. Which of the following forces opposes motion between two surfaces that are touching?
a. friction
b.
kinetic energy c.
potential energy
d.
current
17. When a roller coaster moves, which of the following helps to overcome friction?
a. photosynthesis
b.
current
c.
energy
d.
movement
18. On a roller coaster, where is the potential energy the greatest?
a. at the bottom of the first hill
b.
at the top of the first hill
c. at the bottom of the second hill
d.
at the top of the second hill
Law of Conservation of Energy
19. The fact that energy cannot be created or destroyed is explained by the
a. Newton’s laws of motion
b. Law of Universal Gravitation
c. Law Conservation of Energy
d.
Law of Creation
20. When energy is converted, which of the following types of energy is wasted?
a. thermal energy b. light energy c.
kinetic energy
d.
sound energy
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
18
Energy and Energy Resources
Name ______________________________ Class ___________________ Date __________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
19
Energy and Energy Resources