Across
- 3. a house with walls made from pressed-together earth
- 6. to add something new to something that wasn’t designed to use it
- 8. to obtain from a waste product or by-product; to recover or rescue
- 10. he amount of heat produced by large cities due to cars, gas emissions, air pollution, energy use, and so forth
- 13. energy that is capable of being replaced by natural ecological cycles such as the Sun and wind
- 14. the ability to absorb and retain temperature
- 15. the process of undergoing a drying process
Down
- 1. to take a material and put it through a process to create something else; to cycle again
- 2. the ability of heat to move from one object to another in the form of conduction, convection, and radiation
- 4. capable of being broken down by living things such as microorganisms
- 5. the movement of water from the sky to the land and then to the sky again through a process of six steps
- 7. the ability to use solar energy without using mechanical systems
- 9. relating to the use of natural elements that can be put back into the earth without damaging the planet; relating to our ability to work with the planet rather than against it
- 11. the process of making or forming by combining or arranging parts or elements;building
- 12. a 7- to 10-layered roof that is built to support plant life