Across
- 3. An instrument used to measure temperature
- 4. The formula for density
- 10. The temperature at which a solid becomes a liquid
- 11. The change in state from a solid to a liquid
- 14. Particles moving closer together, causing the size of the object to become smaller.
- 15. The change of state from a liquid to a solid
- 16. A state of matter that has a definite shape and a definite volume
- 20. The change in state from a liquid to a gas
- 21. A state of matter with no definite shape or volume
- 22. The process in which a solid changes directly into a gas
- 24. The amount of space an object takes up
- 25. The change of state from a gas to a liquid
Down
- 1. When a gas directly changes states to a solid'
- 2. Unit for mass (g)
- 5. Anything that has mass and takes up space
- 6. A state of matter that has no definite shape but has a definite volume.
- 7. A theory used to explain the different properties and observations of solids, liquids and gases.
- 8. Solid, liquid, or gas
- 9. When the particles move further apart, causing the object to become larger.
- 12. If you ______ the amount of heat to a substance, its particles will expand
- 13. The temperature at which a liquid changes to a gas
- 17. Movement of gas particles from an area of higher concentration to an area of lower concentration.
- 18. Another unit for mass. 1 of this unit equals 1000 grams
- 19. These hold particles together.
- 23. A measure of the amount of matter in an object