Across
- 4. neutral charge
- 5. the inside of the atom
- 6. ___________ charges repel
- 8. __________ attract
- 11. rubbing 2 objects together
- 13. __________ charges are in the nucleus
- 15. when 2 objects move close together
Down
- 1. a flash of light in the sky
- 2. same number of electrons and protons
- 3. when 2 objects move away
- 5. only ___________ charges can move
- 7. bringing 2 objects close together
- 9. You get this when you touch a door handle
- 10. positive charge
- 12. touching 2 objects together
- 14. negative charge