sci cht 13 voc
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19 Terms
Mass
a measure of the amount of matter in an object
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
energy that all objects have that increases as the temperature increases
chemical energy
energy stored in chemical bonds
radiant energy
energy carried by light
electrical energy
energy carried by electric current
Nuclear energy
energy contained in atomic atomic nuclei
Transformation
a change in composition or structure
Law of conservation
states that energy can change its form but its never created or destroyed
Generator
device that transforms kinetic energy into electrical energy
Turbine
set of steam powered fan blades that spins a generator at a power plant
Resource
a natural feature or phenomenon that enhances the quality of life
Nonrenewable resource
natural resources such as petroleum minerals and metals that are used more quickly than they can be replaced by natural processes
Renewable resource
natural resources such as water sunlight and crops that are constantly being recycled or replaced by nature
Inexhaustible resource
energy source that cant be used up by humans
Photovoltaic
device that transforms radiant energy directly into electrical energy
alternative resource
new renewable or inexhaustible energy source includes solar energy wind and geothermal energy
