Across
- 1. The energy derived from the sun
- 2. Costing a lot of money
- 6. The conversion of light into electricity using semiconducting materials
- 7. Islands inbetween North and South America
- 8. The state of the atmosphere
Down
- 1. The star at the centre of the solar system
- 3. The power derived from physical or chemical resources
- 4. Devices that convert light into electricity
- 5. The flow of electricity
