Lab: Thermal Energy Transfer

Question 1

Obtain a copy of the Student Guide for this lab. Your teacher may provide a copy, or you can click the link to access it. Be sure to read the entire Student Guide for this lab. Did you read the Student Guide carefully?

Revolt · Accepted Answer

A: yes

Question 2

The two dry sand samples are examined by changing one parameter. The independent variable, the one that is intentionally manipulated between the two samples, is the .

Revolt · Accepted Answer

B: mass of each sample

Question 3

The independent variable, the one that is intentionally manipulated, is the .

Revolt · Accepted Answer

C: type of material used

Question 4

Which is the metric standard for measuring energy?

Revolt · Accepted Answer

C: joules

Question 5

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment.

Revolt · Accepted Answer

C: C

Question 6

Which statements are part of the safety protocol for this lab experiment? Check all that apply.Always wear a lab coat and safety goggles when performing an experiment.Use caution when freezing fluids as they may expand.Use the right gear, such as tongs and thermal mitts, to handle hot objects.Check glassware, such as beakers and flasks, for cracks and chips prior to use.Ear protection should be worn to protect against the loud noises associated with heat transfer.

Revolt · Accepted Answer

A: Always wear a lab coat and safety goggles when performing an experiment.; C: Use the right gear, such as tongs and thermal mitts, to handle hot objects.; D: Check glassware, such as beakers and flasks, for cracks and chips prior to use.

Question 7

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

Revolt · Accepted Answer

A: The mass of the substance changes.; B: The temperature of the substance is measured.; C: A connection between mass and thermal energy transfer is developed.

Question 8

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

Revolt · Accepted Answer

A: The types of material changes are included.; B: The temperature of the substance is measured.; C: A connection between type of material and thermal energy transfer is developed.; D: Specific heat is mentioned.

Question 9

Besides the amount of material, there is also another variable that is manipulated within each of the two mass groups and represented as three types. This independent variable is the .

Revolt · Accepted Answer

C: type of material used

Question 10

The dependent variable, the one that you measure the response in, is the .

Revolt · Accepted Answer

A: thermal energy transferred

Lab: Thermal Energy Transfer Answers

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