Across
- 2. to pull objects toward one another
- 5. to separate or pull apart.
- 6. a force between an object and the surface it is moving over
- 8. how fast an object is moving
Down
- 1. anything that has mass and takes up space
- 3. the movement when two objects hit each other
- 4. speed in a particular direction
- 6. a push or a pull that can change the motion of an object
- 7. the amount of the matter that makes up an object
- 9. to apply force