Energy

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  • Created by: A_Mah08
  • Created on: 02-10-19 17:40
Name the eight stores of Energy
Thermal, Kinetic, Gravitational Potential, Elastic Potential, Chemical, Magnetic, Electrostatic and Nuclear
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How is energy transferred?
Between objects or between energy stores
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Another word for energy transfer?
Work done
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Equation for Kinetic Store
Ke = 1/2mv²
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Equation for Gravitational Potential Energy
GPE = mgh
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How is an object transferred to Kinetic Energy store?
It speeds up
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How is more energy transferred to the GPE?
Lifting the object higher means more energy is transferred
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Equation for Elastic Potential Energy?
E = 1/2ke²
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How is EP transferred to an object?
By stretching or squashing an object
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Specific heat capacity equation?
change in thermal energy = mass * specific heat capacity * temperature change
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What is specific heat capacity?
The amount of energy needed to raise the temperature of 1 kg of a substance by 1 degree C
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Conservation of Energy principle?
Energy can be transferred usefully, stored or dissipated but can never be created or destroyed
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Equation for Power / Rate of work doing
Power = Work done/time OR Power = Energy transfer/time
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What is Conduction?
Where vibrating particles transfer (kinetic) energy to neighbouring particles
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What is thermal conductivity?
A measure of how quickly energy is transferred through a material in conduction.
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What is convection?
Where energetic particles move away from hotter to cooler regions, in gasses or liquids
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Other cards in this set

Card 2

Front

How is energy transferred?

Back

Between objects or between energy stores

Card 3

Front

Another word for energy transfer?

Back

Preview of the front of card 3

Card 4

Front

Equation for Kinetic Store

Back

Preview of the front of card 4

Card 5

Front

Equation for Gravitational Potential Energy

Back

Preview of the front of card 5
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