Across
- 2. The reason we can see
- 3. An object that reflects light
- 6. A type of energy used for warmth
- 7. A source that can be used again and again
- 8. A liquid also nown as H2O
- 9. The power used with a household
- 10. A object used to store electricty
- 11. The topic of our lesson
Down
- 1. The gases around our planet
- 4. The reason we can use solar panels
- 5. A source of power
- 12. A transparent object wich bends light
