Across
- 3. Coal and petrol are examples of _______ resources
- 4. The cells on solar panels that absorb the solar energy are known as ____ cells
- 6. Second best quality of coal
- 10. The type of energy that the Sun produces
- 11. An energy resource that can be replenished
Down
- 1. Highest Ranking of Coal
- 2. Energy from inside the Earth
- 5. Energy produced from the waves of seas and oceans
- 7. Built on the river Periyar in Kerala
- 8. Another name for petroleum
- 9. One of the materials which petroleum is refined to