Tools, Technology, and Measurement Answers

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1
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Eleanor wants to show her class a comparison of melting rates between two different solids when heat is applied. Why would a graph be more suitable than a table to show her data?

A
Graphs better illustrate precise data points.
B
Graphs have data points with more significant figures.
C
Graphs better illustrate the comparison of two different data sets.
D
Graphs are better suited for numeric analysis.
2
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What is a caliper used for?

A
to make a precise measurement of volume
B
to make a temperature measurement with low precision
C
to make a volume measurement with low precision
D
to make a precise measurement of length
3

Which tools should be used to record the most complete data about a gas?

A
a gas-collecting bottle and an electronic balance
B
a graduated cylinder and a thermometer
C
a manometer and a thermometer
D
an electronic balance and a manometer
5

Silus wants to monitor the temperature of a reaction every 0.5 seconds for 30 minutes. He plans to generate a graph of the temperature values over time and insert the graph into a text document. Which pair of tools would be best for Silus to use?

A
a liquid-based thermometer and a graphing calculator
B
a liquid-based thermometer and a computer
C
an electronic temperature probe and a computer
D
an electronic temperature probe and a graphing calculator
11

Which of these statements correctly compares probeware (such as an electronic temperature probe) to traditional analog tools (such as a liquid-based thermometer)?

A
Measurements by traditional analog tools are good to a larger number of significant figures.
B
Measurements by traditional analog tools are less prone to experimental error.
C
Probeware is typically very difficult to transport.
D
Probeware is useful for obtaining many measurements in rapid succession.
12

What is a caliper used for?

A
to make a precise measurement of volume
B
to make a temperature measurement with low precision
C
to make a volume measurement with low precision
D
to make a precise measurement of length
15

A researcher wants to show the effects of slight changes in pH on the reproductive rates of fish in a lake. Why would a table be more suitable than a graph to show the data?

A
Tables better illustrate precise data points.
B
Tables have data points with more significant figures.
C
Tables better illustrate the comparison of two different data sets.
D
Tables are better suited for displaying real-world data.
16

Which tools should be used to record the most complete data about a gas?

A
a gas-collecting bottle and an electronic balance
B
a graduated cylinder and a thermometer
C
a manometer and a thermometer
D
an electronic balance and a manometer
19

Which of these time measurements is the smallest?

A
0.02 seconds
B
0.02 teraseconds
C
2,500 milliseconds
D
25,000 nanoseconds
20

Silus wants to monitor the temperature of a reaction every 0.5 seconds for 30 minutes. He plans to generate a graph of the temperature values over time and insert the graph into a text document. Which pair of tools would be best for Silus to use?

A
a liquid-based thermometer and a graphing calculator
B
a liquid-based thermometer and a computer
C
an electronic temperature probe and a computer
D
an electronic temperature probe and a graphing calculator

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