Energy transfer

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What is a vacuum?
A region that dosen't contain anything at all, even gas particles
1 of 6
Why are houses in hot countries often painted white?
Because white is the worst absorber of infrared radiation
2 of 6
Why are the pipes on the back of a fridge usually painted black?
Because black surfaces are the best emitters of infrared radiation
3 of 6
How is the arrangement of the particles in a gas different from that in a liquid?
The particles in a gas are much farther apart and move around much faster than those in a liquid.
4 of 6
Why are saucepans often made of metal with wooden handles?
The metal base of the suacepan is a good conducter so heat is conducted quickly to the food in the pan. The wooden handle is a poor conductor so it prevents someone picking up the saucepan and getting burnet
5 of 6
Why dosen't convection occur in solids
Because the particles are held in fixed positions and not able to flow
6 of 6

Other cards in this set

Card 2

Front

Why are houses in hot countries often painted white?

Back

Because white is the worst absorber of infrared radiation

Card 3

Front

Why are the pipes on the back of a fridge usually painted black?

Back

Preview of the front of card 3

Card 4

Front

How is the arrangement of the particles in a gas different from that in a liquid?

Back

Preview of the front of card 4

Card 5

Front

Why are saucepans often made of metal with wooden handles?

Back

Preview of the front of card 5
View more cards

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