Across
- 5. Main source of natural light
- 6. Form of energy resulting from the existence of charged particles
- 9. Type of power that comes from the sun
- 10. Used to make things visible
Down
- 1. Branch of science concerned with the properties of matter and energy
- 2. Resulting from motion
- 3. Rate in which energy is supplied
- 4. Form of temperature
- 7. Not depleted when used
- 8. Air-like fluid substance