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Activity 7-8 Words
McKinney - Science
Word | Definition |
---|---|
Fossil Fuels | Fuels formed in the ground from the remains of dead plants and animals. It takes millions of years to form fossil fuels. Oil, natural gas, and coal are fossil fuels. |
Generator | A machine that converts mechanical energy into electrical energy. Electricity is produced from magnets whirling inside coils of wire in the generator core. |
Non-Renewable Resources | a resource which cannot be replaced once it is used up, for example fossil fuels (oil, natural gas and coal). |
Photovoltaics | collects light energy from the sun and converts it into electrical current |
Radioactive | Capable of emitting high-energy rays or particles |
Renewable | A resource that can be replenished at a rate equal to or greater than its rate of depletion; ie, solar, wind, geothermal and biomass resources |
Turbine | A machine for generating rotary mechanical power from the energy of a stream of fluid (such as water, steam, or hot gas). Turbines convert the kinetic energy of fluids to mechanical energy through the principles of impulse and reaction, or a mixture of th |
Energy Efficiency | Reducing energy or demand requirements without reducing the end-use benefits. |