Across
- 5. the same throughout
- 6. something about a substance that allows us to tell it apart from other substances
- 8. the new substance that form in chemical reactions
- 10. cannot be changed back to the way it was before
Down
- 1. the things we know that shows us that something has happened or changed
- 2. the transfer of heat or electrical energy from one object to another
- 3. the substance in a solution that is dissolved, e.g. salt
- 4. process where liquid turns into gas
- 7. another word for heat
- 9. how fast something happens