Particles traveling through a wire to create an electric current is electrical energy.
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banana
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fairy
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gift
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banana
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thief
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magnet
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15
What is RADIATION in HEAT?
Radiation is the transfer of energy where objects do not have to be physically touching. Like the sun radiates heat.
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15
What is HEAT measured in?
Heat is measured in joules (J). This is because heat is a transfer of energy.
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What are good CONDUCTORS and bad CONDUCTORS of HEAT?
1. Metals are good conductors of heat. Non-metal materials are good insulators of heat. Non-metals, like plastic are bad conductors of heat.
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15
What is CONVECTION in HEAT?
Convection is the transfer of energy within liquids or gases.
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rocket
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baam
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What is GRAVITATIONAL potential energy?
Gravitational potential energy is energy an object possesses because of its position in a gravitational field.
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15
What is LIGHT ENERGY?
A reflection/ scattering or from a light source.
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What happens in a THERMAL ENERGY SYSTEM?
Thermal energy is transferred from one object to another.
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15
What is Energy measured in?
Energy is measured in joules (J).
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15
What can we use to minimize HEAT LOSS or GAIN from a system. Like if we don't want the hot air to leave our bodies in winter?
Insulating materials. Like a thick winter jacket.
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What are good and bad absorbers of RADIANT HEAT?
Dark, matt surfaces are good absorbers of radiant heat. 2. Light and shiny surfaces are poor absorbers of radiant heat. Light, shiny surfaces reflect heat.
