Across
- 1. relating to magnetism
- 4. a device consisting of a wheel or disk mounted so that it can spin rapidly about an axis
- 8. flow of electricity
- 10. a reflective surface
- 12. a tool or implement
- 14. expert in physics
- 15. a weight suspended from a pivot so that it can swing freely
Down
- 2. one who performs experiments
- 3. thing that stimulates sight and makes things visible
- 5. rate/pace
- 6. the planet on which we live
- 7. rotating around an axis or center
- 9. instrument designed to make distant objects appear nearer
- 11. study of sight and the behavior of light
- 13. deals with energy and forces