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