Across
- 4. Electricity made using moving sea waves
- 6. A vehicle that runs on electricity instead of petrol or diesel
- 8. Reducing the amount of carbon dioxide released into the air
- 9. Used to keep heat inside buildings
- 13. To continue without damaging the environment
- 16. When the amount of carbon produced is equal to the amount removed
- 17. Storing energy to use later when it is needed
- 18. Coal, oil, and gas that release carbon when burned
- 19. Electricity made using wind turbines
- 20. A modern electricity system that uses digital technology
- 21. Reusing materials instead of throwing them away
Down
- 1. Energy that comes from natural sources that do not run out
- 2. Energy produced from splitting atoms to make electricity
- 3. Gases released into the atmosphere that contribute to climate change
- 5. Energy made from plants or organic waste
- 7. Heat energy taken from inside the Earth
- 10. Energy created by moving water, such as rivers or dams
- 11. The total amount of carbon a person or organisation produces
- 12. Energy produced from sunlight using solar panels
- 14. Power generated from the movement of ocean tides
- 15. Using less energy to do the same job