Quiz 5 -Grade 8 Science Force, Motion and Energy

Which of the following is an example of kinetic energy?

• a) A stretched rubber band

• b) A ball resting on a shelf

• c) A rolling ball

• • d) A battery

1.An object at rest has no inertia.

• True
• False

2. If the net force on an object is zero, the object must be at rest.

• True
• False

3. Speed and velocity are the same thing.

• False
• True

4. Friction always acts in the same direction as motion.

• True
• False

5. Work is done when a force causes an object to move a distance.

• True
• False

6. Potential energy is stored energy.

• True
• False

7. Kinetic energy is the energy of motion.

• True
• False

8. Energy can be created or destroyed.

• False
• True

9. A heavier object has more inertia than a lighter object.

• True
• False