| A | B |
|---|
| energy | the ability to cause change |
| kinetic Energy | energy an object has due to its motion |
| potential Energy | energy stored in an object due to its position |
| thermal Energy | the sum of the kinetic and potential energy of the particles in a material |
| chemical Energy | energy stored in chemical bonds |
| light Energy | energy carried by light (radiant energy) |
| electrical Energy | energy carried by electric current |
| nuclear Energy | energy contained in atomic nuclei |
| Law of Conservation of Energy | states that energy can change its form but is never created or destroyed |
| transformation of Energy | energy changing from one form to another |
| generator | device that transforms kinetic energy into electrical energy |
| turbine | set of steam-powered blades that spins a generator |
| nonrenewable resource | energy resource that is used up much faster than it can be replaced |
| renewable resource | energy resource that is replenished continually |
| inexhaustible resource | energy resource that can't be used by humans |
| fossil fuels | coal, oil, and natural gas |
| photovoltaic | device that transforms radiant energy directly into electrical energy |
| geothermal | heat generated inside the Earth |
| temperature | a measure of the average value of the kinetic energy of the particles in a material |
| heat | thermal energy transferred from a warmer object to a cooler object |
| Fahrenheit scale | temperature scale with freezing at 32 degrees and boiling at 212 degrees |
| Celsius scale | temperature scale with freezing at 0 degrees and boiling at 100 degrees |
| conduction | transfer of thermal energy by direct contact |
| radiation | transfer of thermal energy by electromagnetic waves |
| convection | transfer of thermal energy by the movement of particles from one place to another in a gas or liquid |
| conductor | material that transfers heat easily |
| specific heat | amount of heat need to raise the temperature of 1 kg of a substance by 1 degree Celsius |
| thermal pollution | increase in the temperature of a natural body of water caused by adding warmer water |
