Across
- 5. metal spike with a flat head
- 6. present time
- 8. a class of micro materials that display magnetic properties
- 10. a region around a magnetic material
- 13. the direction in which the north end of the compass needle will point in response to the magnetfieldild
- 14. a direction that points directly to the geographic North Pole
- 15. a silvery-white metal
- 17. a hard silvery-white magnetic metal
- 18. a machine powered by electricity
- 19. what you can use to tell directions on
- 20. a device that converts chemical energy
Down
- 1. an electromotive force
- 2. a soft metal core made into a magnet
- 3. a direction pointing downwards on a compass
- 4. metal drawn out into the form of a thin flexible rod
- 7. a direction pointing upward on a compass
- 9. a device consisting of a mechanically coupled electric motor
- 10. something that you can put on your fridge
- 11. magnetic silvery-gray metal
- 12. a form of energy resulting from the existence of charged particles
- 16. a unit of electrical current
- 17. a brownish-reddish metal