Across
- 3. a force between an object and the surface it is moving over
- 5. speed in a particular direction
- 7. to separate or set apart
- 8. anything that has mass and takes up space
- 12. to pull objects toward one another
- 13. one of the two opposite ends of a magnet
- 15. a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field
- 17. how fast an object is moving
Down
- 1. the moment when two objects hit each other
- 2. to provide evidence that goes against a claim
- 4. a self contained unit on an aircraft,spacecraft,vehicle,or vessel that can be detached for a particular function
- 6. a type of magnet in which the magnetic fields is produced by an electric current
- 9. to push objects away from each other
- 10. the space around a magnet in which magnetic forces can act on objects
- 11. the amount of matter that makes up an object
- 14. to apply a force
- 16. a push or a pull that can change the motion of an object