Across
- 4. How matter looks, feels, interacts
- 6. amount of space an object takes up
- 7. smallest unit or part of all things
- 9. ability to burn with oxygen present
- 12. water changing to ice
- 13. measure of the pull of gravity on an object
- 14. rain, snow, sleet, and hail
- 19. liquid to a gas
- 21. gas to a liquid
Down
- 1. changes to create something new
- 2. molecules will expand to fill a container
- 3. water stored beneath the Earth's surface
- 5. one substance changes into another
- 8. two or more substances are physically combined
- 10. amount of matter in an object
- 11. plants give water back to the environment
- 15. water that gathers after running downhill
- 16. will flow to conform to the shape of a container
- 17. excess water that runs down hill
- 18. anything that has mass and takes up space
- 20. maintain a rigid form without a container
- 22. a solid disappears when mixed into a liquid
- 23. sugar dissolved in water