Lab: Energy Transfer

Question 1

What evidence from the experiment shows that conduction occurred? In your answer, be sure to include the materials involved in the transfer of heat through conduction.

Revolt · Accepted Answer

Evidence that conduction occurred is seen when the chocolate pieces melt one after the other starting from the end closest to the heat source. Heat energy moved through the aluminum foil bridge, and since the chocolate pieces were in direct contact with the foil, heat was transferred to them through conduction.

Question 2

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

The melting of the pieces of chocolate one by one is evidence that conduction occurred.; As heat flowed through the foil bridge, heat transferred to the pieces of chocolate, causing them to melt.; The heat transfer occurred between the foil bridge and the chocolate pieces, which were in direct contact with one another.

Question 3

✔ warmer thancooler thanthe same temperature as

Revolt · Accepted Answer

✔ warmer than

Question 4

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.

Revolt · Accepted Answer

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

Question 5

Answer the questions using the drop-down menus.

Revolt · Accepted Answer

✔ light bulb; 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.; The white paper absorbs less heat.

Question 6

✔ paperlight bulb

Revolt · Accepted Answer

✔ paper

Question 7

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

Revolt · Accepted Answer

✔ is higher for the black paper.

Question 8

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

Revolt · Accepted Answer

✔ The white paper absorbs less heat.

Question 9

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

Revolt · Accepted Answer

✔ radiation; radiation; Area A absorbs more heat.; Area A is warmer than area B.

Question 10

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

Revolt · Accepted Answer

✔ Area A absorbs more heat.

Lab: Energy Transfer Answers

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