Across
- 4. Not moving
- 7. When a moving object gives its kinetic energy to another object.
- 9. Caused when one object collides with (hits) another object
- 11. Movement that can be described by speed and direction
Down
- 1. The energy of motion
- 2. An invisible force that pulls objects towards earth
- 3. The energy that something has when it is not moving. It has the potential to move
- 5. how much matter is in an object
- 6. How fast something is moving; a way to measure motion
- 8. A force that acts when an object rubs against a surface. Friction causes heat.
- 10. Any push or pull that causes an object to move, stop, or change speed or direction