Across
- 1. is the science that studies matter
- 3. type of chemical change that gives out energy
- 4. is the simplest form of matter
- 7. type of change that does not change the structure of matter
- 11. everything that takes up space and has a mass
- 12. is two or more elements together
- 13. two or more substances together
Down
- 2. type of mixture like air
- 5. type of observation that does not require any measurements
- 6. type of observation that requires measurements
- 8. type of mixture like water and oil
- 9. type of change that canoes the structure of matter
- 10. type of chemical change that absorbs energy