Across
- 4. Technology used to harness wind energy
- 8. Material that can absorb photons and convert them to electrons
- 10. Type of current produced by photovoltaic cells
- 11. Device used to measure electrical resistance
- 13. The science of light and vision
- 14. Ancient city known for its hanging gardens, one of the Seven Wonders
- 15. City that hosts the annual Nobel Prize award ceremony
Down
- 1. Power of solar radiation per unit area
- 2. The smallest particle of an element that retains its properties
- 3. Amount of solar radiation reaching a given area
- 5. Type of energy derived from the Earth's internal heat
- 6. Technology that converts sunlight directly into electricity
- 7. Greek philosopher known for his method of questioning
- 9. Primary pigment in plants responsible for photosynthesis
- 12. Painter known for "Starry Night"
