Across
- 4. how far an object moves in a certain amount of time
- 5. the path that a moving object follows
- 7. the space between two things
- 9. a change in position
- 11. pulls us towards the center of the Earth
- 12. a change in velocity
- 13. the measure of the amount of matter in something
Down
- 1. the more something has the harder it is to move
- 2. the measure of speed and direction of an object
- 3. a push or a pull
- 6. to keep traveling in the same direction and speed
- 8. moving from one position to another
- 10. anything that has mass and takes up space