Physical and Chemical Change
Across
- 1. some chemical reactions give off this
- 7. seperating pieces of matter
- 10. a specific example of one or more changes
- 12. when liquid water evaporates the molecules do this
- 14. a change in the size, shape, or state of matter with no new matter being formed
- 15. making holes in matter
Down
- 2. this is an example of a slow chemical change
- 3. removing small particles of matter
- 4. a change of _____ is a physical change
- 5. matter is _____ in chemical changes
- 6. one of the products of burning wood
- 7. a compound of carbon, hydrogen and oxygen that is in wood
- 8. a change that results in new substances being formed
- 9. a famous statue that was once brown but is now green
- 10. one of the products of burning wood
- 11. each _____ that makes up ice is made up of two hydrogen atoms and one oxygen atom
- 13. when molecules of one substance spread out between the molecules of another substance