Across
- 3. Solid to liquid
- 4. Solid to gas
- 5. There is a change in appearance
- 8. Grams or kilograms
- 9. Liquid to gas
- 11. Gas to liquid
Down
- 1. A pure substance composed of at least 2 elements
- 2. Liquid to solid
- 6. When substances combine to form new substances
- 7. Gas to solid
- 9. A pure substance that cannot be broken down
- 10. Litres