Across
- 3. from a solid to a liquid
- 5. particles are closely packed together
- 7. from a liquid to a solid
- 9. elements and compounds not joined together
- 10. smallest part of an element
- 14. from a liquid to a gas
- 15. a gas we breathe out
Down
- 1. this can fill a container
- 2. made up of one type of atom
- 4. where all the elements are found
- 6. a gas that we breathe in
- 8. a form of carbon
- 11. how reactive something is
- 12. made up of two or more elements joined together
- 13. particles are far apart