Term | Definition |
mechanical energy | total amount of kinetic and potential energy in a system |
work | transfer of energy through motion |
temperature | measure of the average kinetic energy of the particles in a sample of matter |
thermal pollution | may occur as an effect of waste heat on the environment |
energy | the ability to cause change |
specific heat | amount of energy it takes to raise the temperature of 1 kg of a material 1 Celsius degree |
heat | energy that flows from something with a higher temperature to something with a lower temperature |
potential energy | stored energy |
kinetic energy | energy in the form of motion |
law of conservation of energy | energy may change from one form to another but it cannot be created or destroyed under ordinary conditions |
thermal energy | total energy of the particles in a material |
joules | a unit for measuring heat |
velocity | the amount of kinetic energy a moving object has depends on its mass and _______________ |
chemical energy | the energy stored in foods, fuels, and batteries |
cooling tower | a device that helps prevent thermal pollution by using fans ro evaporation to remove thermal energy from water |
electricity | Scientists are hoping to change thermal energy in ocean water into ____________. |
heat engine | a device that changes thermal energy into mechanical energy |
solar collector | a device that absorbs radiant energy from the sun |
convection | the transfer of heat energy by movement of matter |
insulator | materials such as air, wood, and rubber that do not allow heat to pass through them easily |
radiator | a device with a large surface area designed to heat the air near it by conduction |
combustion | a rapid burning of fuels that take place in engines |
conduction | energy is transferred through matter by direct contact of particles by this |
solar energy | energy from the sun |
radiation | a type of heat transfer that does not require matter |