Across
- 2. A natural example of electrical energy
- 4. The main source of biomass energy
- 5. The type of energy that includes kinetic and potential energy
- 7. Energy is measured in...
- 11. This changed the human life and diet in the Stone Age
- 12. A machine that converts wind energy into electricity
- 13. Energy sources that can be replaced faster than we can use them
- 14. The main source of thermal energy
Down
- 1. The type of energy that is released when a chemical reaction occurs
- 3. A renewable energy that is produced by the water stored in dams or reservoirs
- 6. The first ______ power plant was built in the 1950s
- 8. A source of nuclear energy
- 9. With oil, it led to the Industrial Revolution in the 1700s
- 10. What is extracted from beneath the seabed or on land using drills