Across
- 1. amount of matter in something
- 4. Speed with direction
- 5. how long the area is between time
- 7. newtons second law
- 8. newtons first law
- 9. how long something takes to travel
Down
- 2. the rate of covering distance
- 3. stays at the same rate
- 6. a push or a pull
- 7. of action and reaction