Across
- 1. a person who works to achieve political or social change.
- 5. gases that cause global warming
- 7. a source of energy formed from dead plants and animals over millions of years
- 9. easy to attack or damage
- 10. protect something with material that doesn't allow heat to pass through
- 11. money paid by government to reduce the cost of producing goods or services.
- 12. type of renewable energy produced by turbines, blades and a motor.
- 13. the amount of something used, eaten or drunk
Down
- 2. money paid for injuring someone or damaging something
- 3. energy from the sun
- 4. a type of energy that can be replaced naturally
- 6. animals kept on a farm, like cows or goats
- 8. disposal of waste material by burying it
