Lesson 1 Kinetic Energy: Review

True or False 1. As mass decreases, kinetic energy increases.

• True
• False

True or False 2. As a car slows down, its kinetic energy increases.

• True
• False

Fill in the blank 3. Kinetic energy is the energy of (a)   .

Check all that apply 4. Which would increase the kinetic energy of a wagon?

• Add mass to the wagon.
• Decrease the mass of the wagon.
• Increase the speed of the wagon.
• Decrease the speed of the wagon.

5. A dump truck, a sports car, and a bicycle are traveling at the same velocity. Which is true?

• The bicycle has the least kinetic energy.
• They all have the same kinetic energy.
• The sports car has the most kinetic energy.
• More information is needed to compare their kinetic energy.

6. Which has kinetic energy?

• a moving car
• a tank of gasoline
• a battery
• water in a reservoir

7. Which type of energy does an object not have if it is not moving?

• kinetic energy
• gravitational potential energy
• elastic potential energy
• chemical potential energy

Answer in complete sentences. 8. Describe the difference between the relationships that kinetic energy has with mass and speed. (Think about the graphs)