Download KS4 Energy Transfers 1

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Water, air, granite– which is the worst heat conductor?
Why is a duvet a good insulator?
What is the main method of heat transfer within a liquid?
How does heat energy reach Jupiter from the Sun?
What speed do infra-red waves travel at?
A black and a silver car are parked outside on a sunny day for the same length of
time. Which one feels cooler inside?
What is the payback time for double glazing which cost £5000 to install and saved
£100 a year on heating bills?
Which is denser, warm air or cold air?
What happens to the radiant heat energy falling onto the soil during day time?
What happens to this heat energy at night time?