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9Sci CH6
9th Science CH6 Using Thermal Energy
Term | Definition |
---|---|
combustion | rapid burning |
conduction | the transfer of energy through matter in which energy moves from particle to particle; conduction takes place more easily in solids than in liquids and gases |
convection | the transfer of energy by the bulk movement of matter in which particles move from place to place in a fluid, carrying the energy with them |
external combustion engine | an engine in which the fuel is burned outside the engine; for example, an old-fashioned locomotive steam train |
fluid | any material that flows; liquids and gases are fluids |
heat engine | a device that converts thermal energy that is produced by burning fuel into mechanical energy; for example, an automobile engine |
heat mover | a device that moves thermal energy from one location and releases it in another location having a different temperature |
insulator | a material that does not allow heat or electrons to move through it easily |
internal combustion engine | an engine in which fuel is burned inside the engine in chambers (cylinders); for example,an automobile engine |
ocean thermal energy conversion | process that uses heat engines to convert differences in ocean temperatures into mechanical energy to drive turbines |
radiation | the transfer of energy in the form of waves; radiation is a type of energy transfer that does not require matter |
solar collector | a device that absorbs radiant energy from the sun that can be converted to thermal energy used to heat buildings |
solar energy | energy from the sun; can be converted into thermal energy to heat homes and other buildings |