Across
- 1. northern lights.
- 3. substances that can be quickly magnetized.
- 8. the region surrounding a magnet in which other objects are affected by it.
- 11. southern lights.
- 13. A simple device that uses the laws of electrostatics to detect small electric charges.
- 14. A material that allows current to flow it with no resistance at all.
- 15. substances that are difficult to magnetize.
Down
- 2. The amount a certain object hinders electron flow.
- 4. regions of concentrated magnetism.
- 5. Materials through which current flows easily.
- 6. A device that opens or closes a circuit.
- 7. extent to which a material can absorb or channel lines of magnetic flux.
- 9. Electric charge between objects that are not in contact.
- 10. The flow of charge from one place to another.
- 12. group of aligned atoms having a single magnetic field.