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15 Cards in this Set
- Front
- Back
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How is heat transferred through solid objects? |
Conduction |
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How is heat transferred through liquids and gases? |
Convection |
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What happens to the particles in a solid when they are heated? |
Gain more energy and start vibrating. |
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The greater an objects thermal conductivity the ... |
More energy per second it can transfer. |
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If a material is a good insulator is it a good or bad thermal conductor? |
Bad |
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What is Infrared radiation? |
Wavelength emitted by heat. |
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The higher the temperature of an object, the ... |
more infrared radiation it emits. |
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An object that has a constant temperature emits ... |
radiation across a continuous range of wavelengths. |
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What is specific heat capacity? |
The energy needed to raise the temperature of 1Kg of a substance by 1C. |
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The energy transferred to a device is equal to... |
mass X specific heat capacity X temperature change |
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Why is fibreglass such a good insulator? |
It contains pockets of air in it. |
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Why do some radiators have aluminium sheets between them and the wall? |
Reflects the heat back into the room. |
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What are the units for specific heat capacity? |
J/KgC |
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Why might a house in africa have a shiny metal roof? |
Reflect heat and keep the inside cooler. |
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What is the energy transfer that happens on a solar panel? |
Light to electrical |
