| A | B |
|---|
| energy | the ability to cause change |
| kinetic energy | the energy an object has due to its motion—depends on an objects speed and mass |
| potential energy | the energy stored in an object because of its position—depends on an objects height and mass |
| thermal energy | energy that increases as temperature increases |
| chemical energy | energy that is stored in chemical bonds in molecules |
| radiant energy | energy carried by light |
| electrical energy | energy that is carried by an electric current |
| law of conservation energy | this law states that energy cannot be created or destroyed; it can only change form |
| generator | converts kinetic energy into electrical energy |
| turbine | used in a power plant, spins an electrical generator by use of steam |
| non-renewable resource | an energy source that is used up much faster than it can be replaced (fossil fuels) |
| renewable resource | an energy source that is replenished continually (water) |
| alternative resource | energy sources that are safer and cause less harm to the environment (solar, wind, geo-thermal) |
| inexhaustible resource | an energy resource that can’t be used up by humans (solar) |
| photovoltaic | a device that transforms radiant energy (sun) into electrical energy (used to power calculators and satellites) |
| nuclear energy | energy in the nucleus of an atom |
