Across
- 1. when water evaporates from seas, rivers and lakes, condenses to form clouds, and falls back to Earth as rain
- 2. the temperature at which a solid melts
- 4. when a gas changes to a liquid
- 7. the amount of space a substance takes up in a container
- 9. when a liquid turns into a gas
- 10. the liquid in which the solute dissolves
- 13. when something happens in the opposite order or direction
- 14. quantity needed to make things happen
- 15. when a solid changes to a liquid
- 16. when water changes from a liquid to a gas at a high temperature
Down
- 1. the gas formed when liquid water changes into a gas
- 3. the temperature at which a liquid boils
- 5. the material that is dissolved
- 6. a mixture usually made of a solid dissolved in a liquid
- 8. when a substance mixes with another substance and becomes part of it
- 11. the hot mist produced when water boils; it is made of hot condensing water vapour
- 12. a small piece of solid substance with a regular shape, such as sugar and salt; some crystals can dissolve in water