Georgia Science Grade 6

Chapter 1: The Nature of Science

CRCT Practice

1
The test tubes were left at room temperature for a week to see if algae would grow. Which variable is being investigated?
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A)the volume of water used
B)the temperature of the test tube's contents
C)the amount of chlorine present
D)the amount of algae present
2
Which includes the study of rocks, fossils, and climate?
A)life science
B)Earth science
C)physical science
D)chemical science
3
Which of these is a factor to which experimental results can be compared?
A)independent variable
B)dependent variable
C)control
D)constant
4
Which quality can be measured using the tools in group A?
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A)distance
B)weight
C)volume
D)mass
5
Which of the following belongs in group B?
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A)spring scale
B)thermometer
C)beaker
D)stopwatch
6
Which is a rule that describes the behavior of something in nature?
A)hypothesis
B)law
C)estimate
D)theory
7
Which of the following is an explanation or model that is supported by many experiments and observations?
A)hypothesis
B)law
C)theory
D)estimate
8
Alicia taped the meterstick shown to her bedroom wall and recorded her height on her birthday for five consecutive years. The bottom of the meterstick was 1 m above the floor. How many centimeters tall was Alicia when she was 10 years old?
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A)107.0 cm
B)100.0 cm
C)110.0 cm
D)105.0 cm
9
How many centimeters did she grow between her 10th birthday and her 14th birthday?
A)50.0 cm
B)24.5 cm
C)35.0 cm
D)40.5 cm
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