Across
- 1. The process of changing from liquid to gas
- 6. The smallest unit of matter
- 8. Famous physicist who developed the theory of relativity
- 9. The measure of the amount of matter in an object
- 10. The study of the universe
- 12. Large body of water surrounded by land
Down
- 2. Type of rock that forms from cooled magma
- 3. Piece of evidence used to solve a crime
- 4. A type of weather characterized by low temperatures and precipitation
- 5. The study of the human body
- 7. Process of converting food into energy in the body
- 11. Type of energy produced by the sun