Across
- 2. point when a solid turns into liquid
- 4. point when a liquid turns into a gas
- 5. substance reacts to water
- 7. material's ability to resist being scratched or dented
- 9. material changes colour when exposed to air
- 11. whether it is a gas, a liquid or a solid at room temperature
- 12. materials react to acids
- 13. ability to be drawn into wire
Down
- 1. substance react to hot temperatures
- 2. capable of being hammered or rolled into thin sheets
- 3. ability to burn
- 6. ability of a material to flow
- 8. measure of a material's mass per unit volume
- 10. ability of a material to dissolve in a liquid