Across
- 4. Processes that use energy from the sun to generate heat or electricity.
- 6. a careful preservation and protection of something; especially planned management of a natural resource to prevent exploitation, destruction, or neglect.
- 9. Structure that has large blades attached to an engine and that is used to produce electricity
- 13. A trend of rising average temperatures around the world
- 14. The heating of the atmosphere owing to the presence of CO2 and other gases.
Down
- 1. Materials provided by the Earth that can be used to make more complex products
- 2. Generating electricity using flowing water to drive a turbine that powers a generator.
- 3. The action of taking out something, especially using effort or force ; examples of resources are coal, oil, and natural gas
- 5. Heat energy inside Earth that can be used to heat buildings and produce electricity
- 7. The kinetic energy of wind, harnessed and redirected to perform a task mechanically or to generate electrical power
- 8. Energy released during nuclear fission or fusion, especially when used to generate electricity.
- 10. organic matter that can be used as an energy source. (ex: wood, crops, and animal waste)
- 11. change: The broader set of changes that go along with global warming: including changes in weather patterns, oceans, ice, snow, and ecosystems.
- 12. An inorganic molecule with the chemical formula O3. A major air pollutant in the lower atmosphere but a beneficial component of the upper atmosphere.