Across
- 4. no difference in the mixture
- 8. Negatively charged parts of an atom
- 14. positively charged part of an atom
- 15. furthest part of the waves
- 16. make up everything
- 19. energy to physically move an object
- 21. the force holding atoms together
- 23. the path energy takes
- 24. A push or pull acted upon an object
- 25. ray on the non visible light spectrum
- 26. the thickness of a substance
Down
- 1. a unit of measurement
- 2. allows no light through
- 3. a wave that travels without a medium
- 5. characteristics of an object
- 6. An element on the periodic table
- 7. The force that attracts objects
- 9. The neutral parts of an atom
- 10. Object in motion will stay in motion
- 11. represents elements on the periodic table
- 12. any disturbance from a vibration
- 13. forces not of equal size
- 17. needs a medium to travel through
- 18. the speed and direction of an object
- 20. The product after chemical reaction
- 22. Unit used to measure energy