Georgia Science Grade 8

Chapter 2: Measurement

CRCT Practice

1
Which best describes measurements that are accurate?
A)They are very close to an accepted value.
B)They are based on an estimate.
C)They are very close to each other.
D)They are not based on numbers.
2
Which quantity is measured using this tool?

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A)weight
B)mass
C)volume
D)length
3
Which measurement does this balance show?

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A)about 315 g
B)about 326 g
C)about 325 g
D)about 215 g
4
The graph shows data from an experiment in which ice was heated until it melted, then became steam. In what phase is the H2O at 16 minutes?

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A)solid
B)liquid
C)gas
D)plasma
5
Which statement describes the trend evident in the data?

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A)Temperature continually increased as time increased.
B)Temperature did not change as time increased.
C)Temperature increases were divided by plateaus as time increased.
D)Temperature continually decreased as time increased.
6
Which of these represents 1/1000th of a meter?
A)mm
B)km
C)ms
D)dm
7
The mass of a sample of calcium chloride is 33.755 grams. Round to the nearest hundredth of a gram.
A)33.8 g
B)34 g
C)33.76 g
D)33.75 g
8
Which is NOT a unit of volume?
A)milliliter
B)cubic centimeter
C)deciliter
D)kelvin
9
35.77 g of Solid A are mixed with 95.3 g of Solid B.What is the mass of the mixture with the correct number of significant digits?
A)131.2 g
B)131.07 g
C)131.1 g
D)131 g
10
What is the volume of the cube shown above?

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A)16 cm3
B)64 cm3
C)12 cm3
D)20 cm3
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