Across
- 2. it runs cars
- 5. a type of energy
- 7. tools in the world
- 9. helps the environment
- 10. it harnesses energy from the son
Down
- 1. some thing warm
- 3. heat light electricity
- 4. world wide
- 5. it aslo harneses energy from the son
- 6. you can recycle
- 8. the study of organisms
- 10. gives energy to the earth