Across
- 5. If you put it on the ground outside then it will decompose
- 6. Convert waste into a reusable product
- 7. An addition to something that didn’t have it when it was made
- 10. Retrieving or recovering an item
- 11. transfer: The travel of heat to another object.
- 13. earth: A technique for constructing foundations, floors, and walls.
- 14. mass: A wall that is used to absorb solar energy.
Down
- 1. Able to be maintained at a certain level
- 2. Letting something's dry or set so that it can make it shape.
- 3. The building of something
- 4. energy: Energy from a source that can be used for a long time and does not take long to produce.
- 8. roof: A natural roof used to trap energy and slowly flow out.
- 9. solar: solar that can be passed through thick surfaces
- 12. cycle: the cycle of the production of water
