Across
- 4. A chemical reaction what makes a substance stronger
- 6. The making of something
- 8. Earth Walls made by gravel, sand, and clay.
- 9. Energy Energy that can be reused
- 10. Roof A roof of a structure which harbors plants.
- 11. Mass Absorbs and stores heat energy.
- 12. Cycle Hydrolodgical way of how water gets to us.
Down
- 1. To add something to a design or structure
- 2. Is decomposed by bacteria
- 3. To support the structure
- 5. Solar Building design made to store solar energy.
- 7. Transfer The transfer if heat by 3 methods.
- 8. To claim something that has already been used
- 9. To reuse something