Across
- 4. the liquid phase to the gas phase
- 5. reaction a process in which atoms rearrange to form
- 8. something that is made of all the same atoms
- 11. an object, diagram, or computer program that helps us
- 12. ability to cause damage
- 13. made of
- 14. something that can be observed about a substance,
- 16. to change the order or position of something
- 17. the tiny pieces that all matter—all the stuff in the
- 18. the relative size of things
Down
- 1. an ending substance that is made during a chemical
- 2. the solid phase to the liquid phase
- 3. point the temperature at which a substance changes
- 6. a starting substance that is part of a chemical reaction
- 7. point the temperature at which a substance changes
- 9. something by making it simpler or easier to see
- 10. substances
- 15. groups of atoms
- 18. as color, smell, or boiling point