Across
- 2. measurement of electrical power
- 5. hydro power
- 8. lights get turned on and off
- 10. electricity passes
- 14. what objects are made of
- 16. is something you can only use once
- 17. to do work
- 18. formed millions of years ago
- 19. a strike of electricity on the ground
Down
- 1. mechanical
- 3. helps you in ways
- 4. sun
- 6. tiny particles
- 7. are known as fossils
- 9. wind
- 10. when friction is created from 2 objects
- 11. nucleus equal to that of an electron
- 12. electrical current
- 13. you can get easy or can use more than once
- 15. electrical power