| A | B | 
|---|
| Motion | movement; straight, circular, curved, or back and forth | 
| Vibrate | to move quickly back and forth | 
| Vibration | the act of moving quickly back and forth | 
| Attract | force that pulls objects together | 
| Attraction | the act of pulling objects together | 
| Nonattraction | lack of any pulling or pushing force between two objects | 
| Repel | to force away; to resist | 
| Push | to force away (repel) | 
| Pole | an end or side of a magnet or battery where the force is the strongest; Opposite poles attract. Like poles repel. | 
| Compass | an instrument used for locating direction | 
| Pull | to force toward (attract) | 
| Force | a push or a pull on an object |