AnswersAL-Physical Science A- TAPLab: Types of Reactions

Lab: Types of Reactions Answers

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Which statement is an example of compare and contrast?

A
Sugar came to the Caribbean in 1493, and enslaved Africans began arriving in 1510.
B
Machines replaced human labor in sugar processing, causing prices to plummet.
C
Sugar substitutes were introduced to replace sugar because it was found to be linked to obesity.
D
Honey was a common sweetener, but sugar was easier to harvest.
8

A student does not observe a change when holding a test tube in a flame. However, a change is expected. What is the most likely reason for this?

A
The Bunsen burner was not properly adjusted.
B
The test tube holder was used to hold the copper wire.
C
The products looked the same as the reactants.
D
The reactants were not heated long enough.
9

What purposes does a prologue serve? Check all that apply.to provide details that may be important to the textto analyze how successfully a text achieves its purposeto offer an opinion or perspective about the text as a wholeto analyze how the topic of the text compares to other textsto discuss important events that caused the author to write the text

A
to provide details that may be important to the text
B
to analyze how successfully a text achieves its purpose
C
to offer an opinion or perspective about the text as a whole
D
to analyze how the topic of the text compares to other texts
E
to discuss important events that caused the author to write the text
10

In the image to the right, a student is completing an experiment. What should the student do in order to follow the safety guidelines for this lab? Check all that apply.

A
Adjust the Bunsen burner flame so it is orange.
B
Wear gloves when handling chemicals.
C
Make sure that none of the liquids near the Bunsen burner are flammable.
D
Keep papers and books in the work area for reference.

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