Across
- 2. Energy that comes from the light and heat of the sun.
- 5. Electricity generated by burning fossil fuels to create steam.
- 6. Machines that spin to create energy in power plants.
Down
- 1. Any material that can be burned to produce energy.
- 3. Type of energy that can be replaced naturally, like solar or wind.
- 4. A liquid fossil fuel found underground, used for energy and transport.