Across
- 3. replaceable resources that are recyclable
- 6. the circulation of water on the Earth
- 7. different types of resources from ...
- 8. a type of energy generated from the ocean's surface waves
- 11. non-replaceable resources that can't be recycled
- 12. a type of body of water that is a barrier to hold back water
- 13. water that falls from the sky
- 15. a type of energy that is a form of hydro power that converts the energy obtained from tides
- 16. scientist who studies organisms
- 18. water that rises from the water as water vapor
- 20. water flow over the Earth's surface
Down
- 1. a type of energy that uses heat to generate electricity
- 2. a tube used to transport water, sewage and oils to other areas
- 4. the process of turning salt water to fresh water
- 5. a process that reuses products
- 9. evaporation from plants
- 10. sun energy
- 13. water that seeps into ground
- 14. a type of storage that helps to preserve water resources
- 17. what the water turns into once evaporated
- 19. a type of energy that uses wind turbines to power electricity