Across
- 2. - The device that heats and cooks food
- 3. - The Latin word for sun
- 4. - The process by which plants make their own food.
- 8. - Energy that comes from natural sources
- 9. - It is formed by joining many solar cells
Down
- 1. - Energy from water
- 5. - The gas released by plants in air
- 6. - Very small organisms that cause diseases
- 7. - They help to regulate the climate