Across
- 4. a dissolved substance
- 6. the interaction of iron and air
- 8. any change that causes a new substance to be formed
- 9. change of a solid into a liquid when heat is added
Down
- 1. new material formed
- 2. disintegrating
- 3. change in matter
- 5. no new substance is formed
- 7. to undergo transformation
- 10. evidence of irreversible change
