Radiation

Question 1

Anya recorded the temperatures of four different smooth materials after they were placed under a heat lamp for thirty minutes.

Revolt · Accepted Answer

Material W is less absorbent than material Z.

Question 2

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

Revolt · Accepted Answer

Electromagnetic waves can travel through empty space.

Question 3

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

Revolt · Accepted Answer

Electromagnetic waves can transfer energy through empty space.

Question 4

Which is an example of radiation?

Revolt · Accepted Answer

Earth is heated by energy from the Sun.

Question 5

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

Revolt · Accepted Answer

It is transferred by radiation and convection.

Question 6

Radiation transfers thermal energy through _________.Which accurately completes the statement?

Revolt · Accepted Answer

waves

Question 7

A farmer places unhatched chicken eggs under a heat lamp. How does the radiation help the eggs?

Revolt · Accepted Answer

It keeps the eggs warm until they hatch.

Question 8

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

Revolt · Accepted Answer

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.

Question 9

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

Revolt · Accepted Answer

thermogram

Question 10

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

Revolt · Accepted Answer

reflector

Radiation Answers

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