5S Ch. 6 Changing Forms of Energy

1. Which is energy?

• a. the ability to do work or cause a change
• b. energy due to motion
• c. energy that is not causing any changes now but could cause changes in the future

2. Which is kinetic energy?

• a. the ability to do work or cause a change
• b. energy due to motion
• c. energy that is not causing any changes now but could cause changes in the future

3. Which is potential energy?

• a. the ability to do work or cause a change
• b. energy due to motion
• c. energy that is not causing any changes now but could cause changes in the future

4. A small horse has the same amount of kinetic energy as a larger horse moving at the same speed.

• True
• False

5. There is potential energy in the strings of a guitar.

• True
• False

6. Describe what happens to the potential energy and the kinetic energy of a ball as it rolls down a hill from a position at rest at the top of the hill.

• a. The potential energy increases as the ball rolls down the hill
• b. The potential energy decreases as the ball rolls down the hill
• c. Kinetic energy increases as the ball picks up speed
• d. Kinetic energy decreases as the ball picks up speed

7. Which is vibration?

• a. the number of compressions that pass a point each second
• b. distance between two compressions
• c. the back-and-forth motion of an object

8. Which is wavelength?

• a. the number of compressions that pass a point each second
• b. distance between two compressions
• c. the back-and-forth motion of an object

9. Which is frequency?

• a. the number of compressions that pass a point each second
• b. distance between two compressions
• c. the back-and-forth motion of an object

10. The whistle of a teakettle has a greater frequency than a drumbeat.

• True
• False