Across
- 2. circles that make up matter
- 3. changing sold to a gas
- 7. atoms that are attracted to one another
- 8. anything that has mas
- 10. faster moving molecules transfer energy to slower atoms
- 12. 2 or more atoms
- 13. gas changing to a solid
- 14. is energy that is transferred from a substance at a higher temperature
- 18. related to moving atoms or molecules of a substance
- 19. anything that takes up space
Down
- 1. cooling water vapor
- 4. particles sliding past each other
- 5. molecules that are weak and cant come together
- 6. energy the energy an object moves
- 9. are molecules that are close together and strong
- 11. study of matter
- 15. molecules going into air as a gas
- 16. molecules slowing down
- 17. anything that takes up space