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Alternate Energy
Post Test - Alternate Energy
Question | Answer |
---|---|
Energy | The capacity to do work or the capacity to produce motion, heat, or light. |
Potential Energy | Energy that is waiting to happen; for motion to take place; energy in storage. |
BTU | British Thermal Unit is a unit of themal heat measurement. |
Fossil Fuel | Non-renewable energy source formed from once livng organisms from which energy is obtained by burning them. |
Solar Collector | A device for collecting heat from the sun. |
Photovoltaic Cells | Also known as PV or solar cells. Comes from the words photo (light) and volt (a measurement of electricity). Captures sunlight and converts it into electrical energy. |
Wind Farm | Wind power plants or clusters of wind machines used to produce electricity. |
Magma | Molten rock beneath the earths surface that rises to the earths crust carrying heat. |
Uranium | The most common fuel used for nuclear fission. |
Sustainable Development | Meeting our energy needs now-without spoiling the chances of future generations meeting their needs. |
Which sector of the economy uses the most energy? | Industrial |
Converting one form of energy into another always involves a loss of usable energy, usually in the form of ____. | heat |
kinetic energy example | A truck moving down a highway |
Worldwide, most coal is burned to produce ____. | electricity |
Crude Oil | A non-renewable fossil fuel, also called petroleum. |
Nuclear Fission | Energy is released when the nuclei of atoms are split apart to generate electricity. |
One wind machine can produce enough electricity to power about____ homes per year. | 50 |
Advantage of hydropower plant. | store energy |
Passive Solar Heating | Uses no special mechanical equipment and distribute heat by the natural absorption of sunlight through windows. |