Across
- 4. The process of a liquid changing to a gas
- 7. The state of matter that can flow but has a definite volume
- 10. The number of protons in an atom
Down
- 1. The process of a gas changing to a liquid
- 2. A pure substance made of only one type of atom
- 3. State of matter where particles move quickly and are far apart
- 5. The smallest particle of an element
- 6. Method used to separate solids from liquids using filter paper
- 8. State of matter with particles tightly packed and vibrating in place
- 9. The positively charged particle in an atom’s nucleus
