Definitions
Definitions
Definitions
Definitions
NJ ask questions
100
what is absorption?
the capture of light energy by a substance when the light is neither reflected nor refracted
100
what is convection
motion of heated material due to gravity and difference in density
100
what is mechanical energy
energy that can move object through contact the sum of potential and kinetic energy in a system
100
what is radiation
energy that is emitted in the form of waves or particles
200
what is chemical energy
energy contained in the chemical bonds between substances
200
what is electrical energy
the flow of electrons among atoms in a substance that conducts electrical
200
what is medium
the substance through which a wave travels
200
what is reflection
the change in the direction of wave as it bounce off a surface
200
which of the following forms of energy requires a medium through which to travels
C
300
what is circuit
a system of electrical parts that provides a path for an electrical current
300
what is energy
the ability to generate a force that does work
300
what is nonrenewable resource
a resource that humans more quickly than nature can replace, such as coal, nature gas, or oil
300
what is refraction
the change of directions or a wave caused by a change in speed as it passes from one medium into another
400
what is conduction
the phase change in which gas changes to a liquid
400
what is heat energy
a form of energy arising from the motion of all the particles in a system
400
what is nuclear energy
energy that comes from the nucleus of atom when it splits apart or joins together with other nuclei
400
what is renewable resource
a resource that is replaced through natural cycles such as solar wind and hydroelectric power
500
what is conservation of energy
the physical law stating the energy cannot be created or destroyed
500
what is kinetic energy
energy that arises from an objects motion
500
what is potential energy
energy that results from an objects positions
500
what is solar energy
energy that comes from the the sun
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