Across
- 3. a decrease in size
- 5. a change of state where a gas is cooled and forms a liquid
- 7. measures how much space is occupied by a substance
- 8. the change in state from a solid to a liquid
- 9. a minute portion of matter.
- 10. describes a process that gives off energy in the form of heat, light or sound
- 11. the change of state where a liquid changes to a gas at the surface of the liquid
- 15. the change of state when a solid is heated and forms a liquid
- 16. a change of state from gas to solid
- 17. a mixture where the substances are mixed on the atomic level
- 18. a simplified representation of solids, liquids and gases
- 19. a change in state from a solid to a gas
- 20. a change that does not result in a new substance being produced
Down
- 1. a change in state where a liquid is heated and changes to a gas within the liquid
- 2. measures how much matter is in a substance
- 4. increase in size
- 5. a change that results in a new substance being formed
- 6. when atoms rearrange to form new substances
- 12. a solid formed during a chemical change
- 13. describes a process that absorbs energy from the surroundings
- 14. a process where two liquids or two gases mix due to the motion of their particles