Physics crossword
Across
- 3. reverses current direction
- 6. a force’s turning effect on an object
- 8. potential difference
- 11. measures current
- 12. motion energy
- 13. temperature unit
- 15. current unit
- 17. decay of unstable nuclei
- 18. rate of energy transfer
Down
- 1. changes voltage
- 2. smallest amounts of energy
- 4. includes everything
- 5. energy unit
- 7. how matter, space and time relate to each other
- 9. change in velocity
- 10. magnitude but no direction
- 14. a star
- 16. magnitude and direction