AnswersTX-Environmental Systems A-CRPrescriptive Test

Radiation Answers

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1
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Andre listed some properties of electromagnetic waves.1) transfer thermal energy by radiation2) can transfer energy over great distances3) need matter to transfer energy through4) are disturbances that carry energy

A
Electromagnetic waves transfer thermal energy by conduction.
B
Electromagnetic waves can only transfer energy over short distances.
C
Electromagnetic waves can transfer energy through empty space.
D
Electromagnetic waves are not considered disturbances.
2
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A farmer places unhatched chicken eggs under a heat lamp. How does the radiation help the eggs?

A
It keeps the area around the eggs cool until the eggs hatch.
B
It makes the eggs weaker so they are easier to break open.
C
It makes the eggs stronger so they do not break.
D
It keeps the eggs warm until they hatch.
3

Which best illustrates the way in which radiation transfers thermal energy?

A
A red ball at left labeled warm does not touch a blue ball labeled cool at right. Curved arrows point from the blue ball to the red ball.
Option A
B
A red ball at left labeled warm does not touch a blue ball labeled cool at right. Curved arrows point from the red ball to the blue ball.
Option B
C
A red ball at left labeled warm touches a blue ball labeled cool at right. Straight arrows point from the blue ball to the red ball.
Option C
D
A red ball at left labeled warm touches a blue ball labeled cool at right. Straight arrows point from the red ball to the blue ball.
Option D
4

Which refers to a material that takes in the energy of a wave when the wave hits it?

A
absorber
B
reflector
C
conductor
D
insulator
5

The owner of a window-treatment company wants to design shades that will cover the windows of a house. The shades should also warm the house by maximizing the absorption of solar energy coming through the windows.

A
black and textured
B
black and smooth
C
white and textured
D
white and smooth
6

Car manufacturers use radiation for which task?

A
sealing windows
B
drying paint
C
cleaning tires
D
lubricating engines
7

Why is thermal energy from the Sun transferred to Earth through electromagnetic waves instead of any other type of thermal energy transfer?

A
Electromagnetic waves can carry energy through matter.
B
Electromagnetic waves can travel through empty space.
C
Electromagnetic waves can move through gases faster than other types of energy transfer.
D
Electromagnetic waves can move more energy than other types of energy transfer.
8

Which best explains how thermal energy is transferred when someone holds a hand above a fire?

A
It is transferred by conduction and radiation.
B
It is transferred by only convection.
C
It is transferred by only conduction.
D
It is transferred by radiation and convection.
9

Which refers to a diagram that shows thermal energy being released by objects?

A
thermogram
B
heat sensor
C
thermal radiator
D
radiation image
10

Which refers to a material that causes a wave to bounce off of it?

A
absorber
B
reflector
C
conductor
D
insulator

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