Across
- 3. The amount of space something takes up.
- 4. In this state, water rises up into the air.
- 8. This gas provides our cells with energy.
- 13. Fancy name for water pouring down on earth.
- 14. This substance has a lovely purple colour: "... permanganate".
- 16. Name for steam changing back to water.
- 17. Smallest bits of which everything is made of.
- 19. Name for water turning into steam.
- 21. Everything is made of that.
- 22. The higher this is, the faster a reaction takes place.
- 24. Name for ice changing to water.
- 25. Movement of a substance from an area of high concentration to an area of low concentration.
- 27. Fancy word for what is gained/lost when heating/cooling a substance.
- 28. In this state, water is runny and takes the shape of its container.
Down
- 1. How much of something is in a certain space.
- 2. The process by which forests 'breathe' water into the air.
- 5. This gas makes up most of the air around us.
- 6. In this state, water is hard as rock.
- 7. Fancy word for predicting what is going to happen in an experiment.
- 9. Fancy word for the mix of gases surrounding us.
- 10. This gas traps heat on Earth: "carbon ...".
- 11. A strip that is made of two different metals: "... strip".
- 12. Name for heating water to 100 °C.
- 15. Fancy name for taking up less space when cooled.
- 18. Speed at which a reaction takes place.
- 20. Name for cooling water down to 0 °C.
- 23. Fancy name for increasing in size when heated.
- 26. Movement of land water to oceans: "... off".