Across
- 1. When a solid converts directly to a gas
- 6. the process by which water changes from a liquid to a gas or vapor
- 7. This fundamental state of matter is tightly packed together
- 9. This fundamental state of matter is found in the universe and glows to form the Northern lights
- 10. an atom or molecule with a net electrical charge
Down
- 2. This fundamental state of matter takes the shape of its container, has a definite volume, but no definite shape
- 3. anything that occupies space and contains rest mass
- 4. This fundamental state of matter has no fixed shape and tends to expand without limit
- 5. the process where water vapor becomes liquid
- 8. reduce from a solid to a liquid state usually by heat