Across
- 1. can be pulled into a wire
- 4. 0 neutral charge
- 7. run up and down
- 11. outside of nucleus
- 12. the unit force of all forces
- 14. a change of speed
- 15. reflects light
- 16. distance plus time
- 19. statters easily
- 20. an objects tendency to remain the same
Down
- 2. electricity and heat pass through it
- 3. #1 on the periodic table
- 5. a push or pull on an object
- 6. electricity and heat do not pass through it
- 8. Positive charge
- 9. Negative charge
- 10. located in the center
- 13. speed with a direction
- 17. not shiny
- 18. the smallest part of an element