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Sci 24 - Ch 6 (1)
Term | Definition |
---|---|
generator | a machine that produces electricity |
magnet | a piece of material (such as iron or steel) that is able to attract certain metals |
electrical current | the flow of an electric charge between two points. |
device | an object, machine, or piece of equipment that has been made for some special purpose |
turbine | an engine that has a part with blades that are caused to spin by pressure from water, steam, or air |
kinetic energy | the energy objects possess due to their motion |
transformed | to change something completely |
converter | a piece of equipment that changes something from one form to another |
galvanometer | an electromechanical instrument used for detecting and indicating an electric current |
coil | to wind something into circles |
law of conservation of energy | energy can neither be created nor destroyed - only converted from one form of energy to another |
scrubbers | cleans the air before it enters the atmosphere |
atmosphere | the whole mass of air that surrounds the Earth |
fossil fuel | a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals |
thermal energy | energy possessed by an object or a system due to the movement of particles within that object or system |
electric energy | energy resulting from the flow of electric charge |
lump | a small piece of something |
pulverize | to crush, beat, or grind something into powder or dust |