Energy and the Environment

1. energy the energy possessed by a body as a result of its motion.
5. the way in which heat travels through a solid material.
6. fuels fuels to eventually replace dwindling supplies of fossil fuels, such as biodiesel and hydrogen.
10. energy energy produced by mechanical devices, such as gears, pulleys, levers, or internal combustion engines.
11. energy any source that is limited and cannot be replaced when it is used, such as oil, coal, and natural gas.
12. resources naturally occurring materials found within the Earth or its atmosphere.
14. materials materials with carbon-based structures that originate from or relate to living forms.
15. energy a resource that cannot be replaced once used.

2. energy an energy source that will never run out.
3. items that can easily degrade by natural processes, such as exposure to sun and water or the action of bacteria or fungi.
4. the way in which heat travels by movement or circulation within liquids or gases.
5. energy the potential energy stored in the bonds of atoms and molecules and released during a chemical reaction.
7. a material used to prevent the passage of heat, electricity, or sound.
8. conservation conserving resources through efficient and prudent use.
9. energy a resource that can be replaced when needed.
13. materials a material that is human-made or is from natural resources that is used to produce a product.