Across
- 5. any basic unit of matter and energy
- 7. decrease in size if cooled
- 10. a state of matter that have a definite shape and volume
- 11. helps to explain the way matter behaves
- 13. Anything which occupies space and mass
- 14. ability to do force
Down
- 1. A group of atoms covalently bonded together
- 2. increase slightly in size when heated
- 3. a state of matter that has neither definite shape and volume
- 4. the temperature at which solid melts into liquid
- 6. The process by which different substances mix as a result of the random motions of their particles
- 8. a process occuring at the surface of a liquid involving the change of state of liquid into gas at a temperature below the boiling point
- 9. A solid where particle are arranged in definite way giving specific shape
- 12. a state of matter that has a definite volume and moves by flowing