Across
- 3. - the change from the liquid to the solid state
- 6. - two or more substances combined together
- 8. - the change from the gas state to the solid state
- 9. - the effect of billions of gas particles striking the wall of a container (2 words)
- 11. - the change from the solid to the liquid state
- 12. - the random moving mixing of particles
- 13. - a surface effect whereby liquid molecules escape into the gas phase
- 14. - the smallest part of an element
Down
- 1. - a fixed number of two or more atoms chemically joined together.
- 2. - the change from the gas to the liquid state
- 4. - a substance made up of atoms of two or more diffferent element chemically joined together
- 5. - the change from the liquid to the gas state
- 7. - a substance that cannot be broken down into another substance
- 10. - the change from the solid to the gas state
