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Vocab
Vocab
Vocab
Vocab
Vocab
100
the ability to do work
What is energy?
100
the total energy of motion and position of an object
What is mechanical energy?
100
produced by the vibrations of electrically charged particles
What is light (radiant) energy?
100
a force that opposes motion between two surfaces that are touching
What is friction?
100
naturally replaced more quickly than they are used
What is renewable resources?
200
the energy of motion
What is kinetic energy?
200
All matter is made of particles that are always in random motion
What is thermal energy?
200
the energy that comes from changes in the nucleus of an atom
What is nuclear energy?
200
energy cannot be created or destroyed
What is the law of conservation of energy?
200
measure of the average kinetic energy of the particles in an object
What is temperature?
300
the formula for kinetic energy
What is [m(v)2]/2
300
the energy of a compound that changes as its atoms are rearranged
What is chemical energy?
300
a change from one form of energy to another
What is energy conversion?
300
a comparison of the amount of energy before a conversion with the amount of useful energy after a conversion.
What is energy efficiency?
300
the increase in volume of a substance because of an increase in temperature
What is thermal expansion?
400
the energy an object has because of its position
What is potential energy?
400
the energy of moving electrons
What is electrical energy?
400
The wound-up rubber band in the toy airplane has a kind of potential energy called
What is elastic energy?
400
resources that cannot be replaced or are replaced much more slowly than they are used
What is nonrenewable resources?
400
the temperature at which all molecular motion stops.
What is absolute zero?
500
the formula for potential energy
What is weight × height?
500
energy caused by an object’s vibrations
What is sound energy?
500
An alarm clock turning electrical energy into light energy and sound energy is an example of
What is an energy conversion?
500
energy resources that formed from the buried remains of plants and animals that lived millions of years ago
What is fossil fuels?
500
the energy transferred between objects that are at different temperatures
What is heat?