Tools, Technology, and Measurement

Question 1

Roberto wants to measure the lengths of the sides of a metal cube. Which tool should he use?

Revolt · Accepted Answer

A: ruler

Question 2

To make a solution, Sian must measure 15.0 mL water. Which tool should she use?

Revolt · Accepted Answer

B: graduated cylinder

Question 3

For a certain experiment, Juan must measure the concentration of a certain substance in a solution over time. He needs to collect a measurement every 0.05 seconds. He then needs to display his data in a graph and place that graph in a text document. Select the best tools to use for this experiment. Check all that apply.

Revolt · Accepted Answer

B: probeware; C: computer

Question 4

Alice needs to calculate the average pressure inside a gas cylinder. She has access to both a data table showing the pressure over time and a graph of pressure over time. Which representation is probably most useful to her if she wants a precise answer?

Revolt · Accepted Answer

B: data table

Question 5

Rajesh conducts an experiment to determine how quickly three different substances absorb heat. He measures the temperature of each substance over time. If he wants to quickly compare the heat absorption rates of the three substances, which data representation will probably be most useful to him?

Revolt · Accepted Answer

A: graph

Question 6

A chemical reaction produces solid sulfur as a product. Which unit should be used to describe the mass of the sulfur produced?

Revolt · Accepted Answer

B: grams

Question 7

1. 1.0 km or 1.0 mi Larger quantity:

Revolt · Accepted Answer

B: 1.0mi

Question 8

2. 0.5 kg or 0.5 lb Larger quantity:

Revolt · Accepted Answer

A: 0.5 kg

Question 9

3. 2.5 qt or 2.5 L Larger quantity:

Revolt · Accepted Answer

B: 2.5 L

Question 10

4. 0.0045 cm or 0.0045 in. Larger quantity:

Revolt · Accepted Answer

B: 0.0045 in.

Tools, Technology, and Measurement Answers

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