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26 Cards in this Set
- Front
- Back
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the ability to do work
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energy
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the energy of an object that is due to the object's motion
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kinetic energy
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the energy that an object has because of the position, shape, or condition of the object
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potential energy
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the amount of work an object can do because of the object's kinetic and potential energy
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mechanical energy
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dependent on mass and speed
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kinetic energy
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depends on an object's weight and its height
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gravitational potential energy
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all of the kinetic energy due to the motion of the particles thar make up an object
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thermal energy
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increases when temp. increases or when the number of particles increases
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thermal energy
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energy of a chemical compound that changes as its atoms are rearranged (potential energy) Ex. food
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chemical energy
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the energy of moving electrons
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electrical energy
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caused by an object's vibrations
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sound energy
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produced by the vibrations of electrically charged particles
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light energy
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energy that comes from changes in the nucleus of an atom
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nuclear energy
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a change from one form of energy to another
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energy conversions
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stored in a rubber band
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elastic potenetial energy
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force that opposes motion between two surfaces that are touching
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friction
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a group of objects that transfer energy only to each other
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closed system
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energy that cannot be created or destroyed
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law of conservation of energy
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results in less waste if less energy is wasted less energy is needed to operate a machine
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greater effieciency of machines
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cannot be replaced or are replaced much more slowly than than they are used
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nonrenewable resources
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naturally replaced more quickly than they are used
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renewable resources
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organic matter that can be burned to release energy
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biomass
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give 5 examples of renewable resources
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solar energy, energy from water, wind energy, geothermal energy, biomass
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measure of the force of gravity pulling on something
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weight
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measure of how much matter is in your body
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mass
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unit of measure for weight
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newton
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