Across
- 2. orbits Earth
- 3. power source
- 6. a star
- 7. includes everything
- 9. reverses current direction
- 12. measures current
- 14. how matter, space and time relate to each other
- 16. multiple wire loops
- 17. energy unit
- 20. temperature unit
- 21. light cannot escape
- 24. potential difference
- 26. study of matter, motion and energy, across space and time
- 27. varies resistance
- 28. star graph
- 30. current unit
Down
- 1. smallest amounts of energy
- 4. changes voltage
- 5. used to observe stars
- 8. rate of energy transfer
- 10. closes a circuit
- 11. decay of unstable nuclei
- 13. change in velocity
- 15. a force’s turning effect on an object
- 18. DC generator
- 19. motion energy
- 22. magnitude and direction
- 23. helium nucleus
- 25. magnitude but no direction
- 29. light source