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19 Cards in this Set

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  • Back
What is chemical energy?
the energy of a compound that changes as atoms are rearranged to make a new compound
what is the Energy of moving electrons
electrical energy
what does an object's kinetic energy depend on?
kinetic energy depends on velocity and mass
what does potential energy energy depend on?
height and weight
what kind of energy does a spring or wind-up toy have?
potential energy
what is theremal energy? An Example?
total energy of the particles that make up an object. Steam
what energy is caused by objects vibrations? An example?
Sound energy. guitar
what is light energy? An example?
produced by vibrations of electrically charged particles. Light bulb
What is a natural resource that can be converted by humans into other forms of energy in order to do useful work?
energy resource
A well-defined group of objects that transfer energy between 1 another?
closed system
Waht are energy conversions?
change from 1 form to another
what is nuclear energy?
the energy associated w/ changes in the nucleus of an atom
what form of energy is a moving object?
mechanical energy
what has more thermal energy, the cup of coffee or the iceburg?
iceburg has more theremal energy because it has more particles and theremal energy is sum of energy of all the particles
what is an example of an energy conversion?
digestion- chemical to mechanical
in every energy conversion some energy is always converted into what from of energy?
thermal energy
what is the law of conservation of energy?
energy cannot be created nor destroyed
what is a natural resource?
a resource that can be converted by humans into useful energy
what is a renewable resource? list Examples?
can be repalced over a short period of time. solar, water, wind,geothermal,biomass