Energy Conservation

2. A practice of reusing or repurposing materials to conserve energy
4. The most common source of power in the world, but also a major contributor to climate change
6. A solar energy system that converts sunlight into electricity
7. This type of lighting uses less energy and lasts longer than traditional bulbs
8. A type of renewable energy derived from the heat stored beneath the Earth's surface
12. The term for reducing the use of fossil fuels by increasing the use of renewable energy
14. A device that turns mechanical energy into electrical energy
15. The device that measures electrical energy consumption in kilowatt-hours

1. A wasteful form of energy use that can be reduced by using more efficient technology
3. The process of reducing energy consumption
5. A common term for using less energy by turning off lights or appliances when they are not in use.
9. A greenhouse gas emitted by the burning of fossil fuels and a contributor to global warming
10. Renewable source of Energy
11. A renewable source of energy derived from the movement of air
13. A renewable energy source derived from the decay of organic materials