Physics core science

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What is conduction
where vibrating particles pass on their extra kinetic energy to neighbouring particles
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What is convection
the more energetic particles move from the hotter region to the cooler region and take their heat energy with them
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What is infrared radiation?
Transfer of heat energy through solids, liquids and gases
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What will happen if there is a bigger temperature difference?
The energy that is transferred by heating, will be emitted faster
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Where is infrared radiation emitted from?
From the surface of an object
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What will happen if the object is hotter than its surroundings? What will happen if the object is cooler than its surroundings?
It will emit more radiation than it absorbs. It will absorb more radiation than it emits
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What do dark, matt surfaces do?
Absorb more infrared radiation and emit more infrared radiation
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What do light, shiny surfaces do?
They reflect a lot of the infrared radiation.
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Other cards in this set

Card 2

Front

What is convection

Back

the more energetic particles move from the hotter region to the cooler region and take their heat energy with them

Card 3

Front

What is infrared radiation?

Back

Preview of the front of card 3

Card 4

Front

What will happen if there is a bigger temperature difference?

Back

Preview of the front of card 4

Card 5

Front

Where is infrared radiation emitted from?

Back

Preview of the front of card 5
View more cards

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