Across
- 1. the amount of weight in any objects
- 3. the gas that people put in balloons
- 6. a change that can happen by mixing stuff
- 8. on hot day after it rains, puddles ________
- 9. a change that can happen over time
- 14. this is a type of gas that plants need to make food
- 15. water in solid form
Down
- 2. a solid matter that doesn't change
- 4. air that people breath
- 5. another word for a different _____ of matter
- 7. anything that takes up space and has mass
- 10. a object that has a defined shape
- 11. the smallest state of matter
- 12. if you are ______ something you are chopping it in half
- 13. if you are ________ something you are destroying it