Transfer of energy in heating

Question 1

State what IR is and that objects emit and absorb it

Answer 1

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Question 2

Describe how the amount of IR can vary

Answer 2

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Question 3

Describe how different surfaces vary in their absorption of infrared radiation.

Answer 3

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Question 4

Describe how different surfaces vary in their reflection of infrared radiation.

Answer 4

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Question 5

Describe the particle arrangement and different levels of energy in the states of matter.

Answer 5

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Question 6

Explain the different energy states using the kinetic theory.

Answer 6

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Question 7

Describe the bonds between particles in the different states of matter

Answer 7

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Question 8

Describe what is meant by conduction, in terms of particles, including the role of free electrons.

Answer 8

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Question 9

Describe what is meant by convection, in terms of particles, including explaining changes in density.

Answer 9

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Question 10

Describe how energy is transferred in evaporation and condensation and factors affecting each.

Answer 10

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Question 11

Describe the factors that affect the rate of heat transfer from an object.

Answer 11

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Question 12

State the use of U-values.

Answer 12

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Question 13

Describe how solar panels work.

Answer 13

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Question 14

Describe what is meant by specific heat capacity and use the equation.

Answer 14

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