Lab: Energy Transfer Answers

1

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Review the four data tables in your Student Guide.Did you record all data throughout the virtual lab experiment?

A

yes

B

no

1

Free Preview

Which statements describe how heat flows in foil? Check all that apply.

A

Heat flows in all directions.

B

Heat flows from left to right only.

C

The atoms on top of the foil absorb heat first.

D

The atoms near the candle absorb heat first.

E

Heat flows from the cooler atoms to the warmer atoms.

F

Heat flows from the warmer atoms to the cooler atoms.

1

Which statement describes how heat flows from the coffee to the part of the spoon in the coffee?

A

Heat flows from the coffee to the spoon through radiation.

B

Heat flows from the coffee to the spoon through convection.

C

Heat flows from the coffee to the spoon through conduction.

D

Heat flows from the coffee to the spoon through radiation, convection, and conduction.

1

Which title best reflects the main idea of the passage?

A

The Role of Convection in the Distribution of Earth's Energy

B

The Role of Heat Transfer Methods in the Distribution of Earth's Energy

C

Conduction, Convection, and Radiation: Methods of Heat Transfer

D

Conduction, Convection, and Radiation: The Heating Up of Earth's Surface

140702

Throughout the reflection, make sure that you have the copy of the student guide, PDF or Word and your data tables. Complete the paragraph by using the drop-down menus.

Answers:

In this lab, you modeled and observed the three main ways thermal energy is transferred. When thermal energy transfers from a warmer body or place to a cooler body or place, it is referred to as heat.:Conduction

In this lab, you modeled and observed the three main ways thermal energy is transferred. When thermal energy transfers from a warmer body or place to a cooler body or place, it is referred to as heat.:convection

In this lab, you modeled and observed the three main ways thermal energy is transferred. When thermal energy transfers from a warmer body or place to a cooler body or place, it is referred to as heat.:radiation

140703

radiation✔ convectionconduction

A

radiation

B

✔ convection

C

conduction

140704

✔ radiationconvectionconduction

A

✔ radiation

B

convection

C

conduction

140705

Complete the sentences to describe the convection experiment.

Answers:

The model showed convection. In the convection model, the red water on the bottom of the beaker . This means that the water at the bottom of the beaker was the water near the top of the beaker.:red water in hot water

The model showed convection. In the convection model, the red water on the bottom of the beaker . This means that the water at the bottom of the beaker was the water near the top of the beaker.:rose to the top of the beaker

The model showed convection. In the convection model, the red water on the bottom of the beaker . This means that the water at the bottom of the beaker was the water near the top of the beaker.:warmer than

140706

stayed at the bottom of the beaker✔ rose to the top of the beakermixed throughout the beaker

A

stayed at the bottom of the beaker

B

✔ rose to the top of the beaker

C

mixed throughout the beaker

140707

✔ warmer thancooler thanthe same temperature as

A

✔ warmer than

B

cooler than

C

the same temperature as

140708

Answer the questions using the drop-down menus.

Answers:

The heat transfer is from the to the .:light bulb

The heat transfer is from the to the .:paper

The temperature .:is higher for the black paper.

Selection 4:The white paper absorbs less heat.

140709

✔ paperlight bulb

A

✔ paper

B

light bulb

140710

✔ is higher for the black paper.is higher for the white paper.is the same for both pieces of paper.

A

✔ is higher for the black paper.

B

is higher for the white paper.

C

is the same for both pieces of paper.

140711

The black paper absorbs less heat.✔ The white paper absorbs less heat.The pieces of papers absorb the same amount of heat.

A

The black paper absorbs less heat.

B

✔ The white paper absorbs less heat.

C

The pieces of papers absorb the same amount of heat.

140712

How does the Sun transfer its energy to areas A and B?

Answers:

Selection 1:radiation

Selection 2:Area A absorbs more heat.

Selection 3:Area A is warmer than area B.

140713

✔ Area A absorbs more heat.Area B absorbs more heat.Areas A and B absorb the same amount of heat.

A

✔ Area A absorbs more heat.

B

Area B absorbs more heat.

C

Areas A and B absorb the same amount of heat.

140714

✔ Area A is warmer than area B.Area B is warmer than area A.Areas A and B have the same temperatures.

A

✔ Area A is warmer than area B.

B

Area B is warmer than area A.

C

Areas A and B have the same temperatures.

140715

Which method transfers heat from the Sun to the ocean?

Answers:

Selection 1:radiation

Selection 2:convection

Selection 3:conduction

140715

Which method transfers heat from the Sun to the ocean?

Answers:

Selection 1:radiation

Selection 2:convection

Selection 3:conduction

140716

conduction✔ convectionradiation

A

conduction

B

✔ convection

C

radiation

140717

✔ conductionconvectionradiation

A

✔ conduction

B

convection

C

radiation

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