An object that has a constant temperature emits radiation across a continuous range of wavelengths.
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Card 7
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The shorter the wavelength, the greater increase in intensity of that wavelength. Therefore, the peak intensity is at a shorter wavelength than it was at the lower temperature.
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Card 8
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When an object absorbs radiation faster than it emits radiation, its temperature increases.
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Card 9
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reflected back into space or absorbed by the Earth's atmosphere or by the Earth's surface, emitted from the Earth's surface and from the Earth's atmosphere into space.
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Card 10
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1) Infrared radiation from the Sun warms the ground. 2) Carbon dioxide molecules absorb and re-emit infrared radiation back to the ground.
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Card 11
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When a substance is heated, its temperature rise depends on: the amount of energy supplied to it, the mass of the substance, and what the substance is.
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Card 12
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The specific heat capacity of a substance is the energy needed to raise the temperature of 1kg of the substance by 1'C.
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Card 13
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A storage heater uses energy at night to heat special bricks/concrete blocks in the heater. They have a high specific heat capacity, so store a lot of energy, and warm up slowly when heater is on.
