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convection

if a fridge has a freezer compartment at the top , explain how with the door closed , a convection current is set up in the fridge and how this ensures that the foods in the bottom comparment are kept cold ?

fayebeth2121 Mon 29/09/08 19:20

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gen2
Mon 29/09/08
19:52

In a sentence: remember that warm air rises and cold air sinks.

Teddio
Tue 30/09/08
13:00

Cold air is denser than cold air so gravity pulls it downwards setting up a convection current.

Teddio
Tue 30/09/08
13:01

Oops! should have said cold air is denser than warm air.

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