Across
- 3. A type of flask
- 5. changes the voltage
- 6. what the sun gives off
- 8. Example of which are coal and petrol
- 10. Keeps a roller coaster going
Down
- 1. comes in sunflower and Oliver and crude
- 2. Not sea current
- 4. A dam good way to make electricity
- 7. Measured in joules
- 9. One joule per second