Across
- 2. when a solid changes into a liquid
- 5. A chemical change in a material which contains carbon that releases a lot of heat
- 6. The amount of space a material occupies.
- 8. To move aside or push out of the way.
- 9. The state of matter that does not have a definite shape or occupy a definite volume.
- 11. the individual unit of a substance, often used to describe molecules and atoms
- 12. Another name for “freezing”
- 13. The state of matter that has a definite shape and a definite volume.
- 14. a reversible change in which the original material or substance is not altered chemically
- 15. a liquid changing to a gas
- 16. the property of a material to be stretched or compressed and return to its original shape.
- 18. Mixing two substances to make a solution.
- 19. The state of matter that has a definite volume, but not a definite shape.
- 20. a non-reversible process in which a substance or material is changed into a new substance or material.
- 23. when a liquid changes into a solid
- 24. a solid becoming a liquid
Down
- 1. the reddish/brown material produced when iron reacts with oxygen
- 2. The curved surface of a liquid in a container.
- 3. a gas becoming a liquid
- 4. able to be returned to an earlier state
- 7. The amount of matter in a substance.
- 8. a gas becoming a solid
- 10. unable to be returned to an earlier state
- 17. a property of the surface of a liquid in which its surface appears to have a skin.
- 20. Something squeezed to make it smaller.
- 21. the temperature at which a solid changes into a liquid
- 22. To become larger and occupy more volume without changing the amount of matter.
- 25. Any material with mass and volume.