Across
- 2. The amount of matter in a given amount of space
- 3. A collection of two or more things that don’t change
- 6. Solid, liquid, gas, plasma
- 7. The temperature in which a solid turns into to a liquid
- 8. When water vapor turns into rain
- 10. The amount of space something takes up
- 12. A change that doesn’t change the substance
- 14. This state of matter takes the shape of its container
- 17. When liquid turns into water vapor
- 19. This state of matter has a changeable mass and volume
- 21. The temperature in which a liquid turns into a gas
Down
- 1. This state of matter is the most common in the universe and is made from gas
- 4. Substances that cannot be broken down into anything simpler
- 5. A change that does change the substance
- 9. The temperature in which a liquid turns into a solid
- 11. This state of matter has a mass and volume that doesn’t change
- 13. When elements combine to make a new substance
- 15. Anything that has mass and takes up space
- 16. A mixture made when one substance is dissolved into another substance
- 18. Smallest piece of matter
- 20. Smallest piece of a compound