Across
- 4. A combustible black rock, used as fuel
- 8. A star. A hot ball of glowing gases at the heart of our planet's solar system
- 10. The flow of electrical power or charge
- 11. (9,6) Solar power is a source of this...
Down
- 1. (6,7) The main greenhouse gas
- 2. (5,5) The conversion of energy from sunlight into electricity
- 3. cells in solar panels that help convert the sun's energy into electricity
- 5. (3,4) When there is no local power / grid to draw power from? You are ...
- 6. (6,5) Fuel made from decomposing plants and animals
- 7. (5,6) Installed on your roof, or on the ground, these devices turn the sun's energy into electricity
- 9. Rock oil or oil from the earth
- 12. What do solar panels get from the sun?