Across
- 3. test a test when only one thing changes in an experiment
- 7. a change that cannot be reversed
- 8. fire is .... hot
- 9. when water turns into vapour
Down
- 1. you do this this to find something out
- 2. when solids seem to disappear in a liquid
- 4. this sums everything up
- 5. a change that can be reversed
- 6. this happens to iron when exposed to water and oxygen