Radiation: Can move through a _____. Heat energy transferred as a ____. ____, _____ surfaces are the best absorbers and emitters of heat. ____, ____ surfaces are the best reflectors of heat.
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Card 18
Front
Name all the types of energy. (Most Kids Hate Learning GCSE Energy Names!)
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Card 19
Front
Name the Electromagnetic spectrum. (Granny X's Umbrella Vanishes In Mild Rain!)
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Card 20
Front
What is diffraction?
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Card 21
Front
1) The farmers in a village in India use solar powered water pumps to irrigate fields. A 1 sqm panel of solar cells receives 5 kWh from the sun every day. Efficiency of 0.15. Calculate the electrical energy available from 1 sqm panel of solar cells.
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Card 22
Front
2) Each solar water pump uses 1.5 kWh of energy each day. Calculate the area of solar cells required by one solar water pump.
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Card 23
Front
How can the heat loss through the windows of a house be reduced?
