Across
- 3. group of loops
- 6. groups of atoms near each other that are polarized
- 10. formed from field lines
- 12. number of field lines
- 13. mounted to a rotating axle
- 14. always perpendicular to wire
- 15. Opposites
- 16. material is a dipole
- 21. measures tiny amounts of current
- 22. only naturally occurring magnet
- 23. Newtons
Down
- 1. likes
- 2. use thumb and fingertips
- 4. voyages extensively before the Age of Exploration begins
- 5. electric current passes through a coil
- 7. magnetically striped
- 8. current flowing through a loop of wire
- 9. laid a wire across a magnetic compass.
- 11. no discernible pattern
- 17. opposites attract likes repel
- 18. preserved magnetism
- 19. involved with electricity and magnetism
- 20. most likely invented by China