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Card 16

Front

What do hot objects emit?

Back

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Card 17

Front

What is the state of infrared radiation?

Back

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Card 18

Front

What surfaces are bad at emitting and absorbing infrared?

Back

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Card 19

Front

What surfaces are good at emitting infrared?

Back

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Card 20

Front

What are a few methods to reduce heat loss from an object?

Back

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Card 21

Front

What does luminous mean?

Back

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Card 22

Front

What does non luminous mean?

Back

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Card 23

Front

What does light travel in?

Back

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Card 24

Front

What happens when a moon casts a shadow on earth?

Back

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Card 25

Front

What is the sharp inside of a shadow called and what light source makes it?

Back

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