Across
- 2. No definite shape or volume, expands to fill space
- 8. The ability to float in a fluid
- 10. A state of matter found in stars and lightning
- 12. Gas turning into liquid
- 13. A slow chemical reaction between metal and oxygen
- 14. The increase in size of a material when heated
- 16. Materials that resist the flow of heat or electricity
- 18. The decrease in volume due to applied pressure
- 20. The attraction between different substances
- 21. A chemical reaction that dulls the surface of some metals
- 24. Solid turning into liquid
- 25. A state of matter at extremely low temperatures
- 29. Materials that allow heat or electricity to pass through
- 30. Solid turning directly into gas
Down
- 1. A change that creates a new substance
- 3. Gas turning directly into solid
- 4. Process where a liquid turns into gas
- 5. Takes the shape of its container but has a fixed volume
- 6. Liquid turning into solid
- 7. A material’s resistance to being scratched
- 9. The gradual destruction of materials due to chemical reactions
- 11. The amount of space an object takes up
- 15. The attraction between molecules of the same substance
- 17. Has a definite shape and volume
- 19. A solid that forms from a chemical reaction in a solution
- 22. The substance that dissolves another in a solution
- 23. A change that does not alter the chemical composition
- 26. The substance being dissolved in a solution
- 27. Mass per unit volume
- 28. The amount of matter in an object
