P1 - Heat Radiation

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  • Created by: Rachelcfx
  • Created on: 10-05-16 18:58
What is radiation?
How we get heat from the sun.
1 of 5
Heat is radiated as infrared waves - what are infrared waves?
Electromagnetic waves that travel in STRAIGHT LINES at the speed of light.
2 of 5
How is radiation different from conduction and convection?
Doesn't need a material to travel through, can only occur through transparent substances, amount of radiation depends on surface colour/area.
3 of 5
What in life in heat radiation important in?
Cooking.
4 of 5
The heat radiated by a grill...
Is absorbed by the surface particles of the food, increasing kinetic energy.
5 of 5

Other cards in this set

Card 2

Front

Heat is radiated as infrared waves - what are infrared waves?

Back

Electromagnetic waves that travel in STRAIGHT LINES at the speed of light.

Card 3

Front

How is radiation different from conduction and convection?

Back

Preview of the front of card 3

Card 4

Front

What in life in heat radiation important in?

Back

Preview of the front of card 4

Card 5

Front

The heat radiated by a grill...

Back

Preview of the front of card 5

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