Microwaves, Lasers & Infrared

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Claire has bought a new microwave oven as she find microwaves easy to use and convenient for cooking, Briefly explain how microwaves are used to heat food
Microwaves are absorbed by fat/water molecules in the outside layers of food. The heat energy is then transferred throughout the rest of the food by conduction and convection.
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What does carob dioxide do to infrared radiation?
It absorbs the radiation thus heating the CO2
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How can you tell if an object is radiating infrared?
You can feel the effect of the radiation warming your skin.
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What is an important use for infrared vision?
It allows people with night vision goggles to see in the dark
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Favourite Film?
The Hunger Games
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Other cards in this set

Card 2

Front

What does carob dioxide do to infrared radiation?

Back

It absorbs the radiation thus heating the CO2

Card 3

Front

How can you tell if an object is radiating infrared?

Back

Preview of the front of card 3

Card 4

Front

What is an important use for infrared vision?

Back

Preview of the front of card 4

Card 5

Front

Favourite Film?

Back

Preview of the front of card 5

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