Magnetic Forces (FOSS P. 19-24)
Across
- 4. ______________ magnet a piece of iron that behaves like a magnet only when it is under the influence of an external magnetic field
- 5. to pull towards each other
- 7. an instrument that uses a free rotating magnetic needle to show direction
- 9. __________ opposites attract
- 11. ______________ magnet the influence of a magnetic field on iron, which makes the iron a temporary magnet
- 12. ______________ field an area of magnetic influence around a mass
Down
- 1. to push away from each other
- 2. a property of certain kinds of materials that causes them to attract iron or steel
- 3. ______________ field an invisible area of gravitational influence around a mass
- 6. the end of a magnet
- 8. a very small part
- 10. _____________ magnets an object that sticks to iron