Across
- 2. Type of wave that requires a medium
- 4. Particle with negative charge
- 5. Type of energy from the sun
- 6. Branch of physics studying heat
- 8. Scientist who discovered gravity
- 10. Device that measures temperature
Down
- 1. Phenomenon where light passes through a narrow opening
- 3. Type of rock that forms from cooling magma
- 7. Unit of measurement for energy
- 9. Scientist who developed the theory of relativity