Glencoe Earth Science

Chapter 1: The Nature of Science

Standardized Test Practice

1.
The test tubes in the diagram below were left at room temperature for a week to see if algae would grow. Which of the following is the constant in the experiment?

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A)the amount of algae present
B)the temperature of the test tube's contents
C)the amount of chlorine present
D)the ratio of algae to chlorine
2.
Which of the following is a variable in the experiment above?
A)amount of chlorine used
B)volume of water used
C)length of time of the experiment
D)temperature of the test tubes
3.
Which of the following can be measured using the instruments in Group B above?

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A)volume
B)mass
C)distance
D)weight
4.
Which of the following can be measured using the instruments in Group A?

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A)weight
B)mass
C)distance
D)volume
5.
Which of the following is the study of things such as rocks, weather, and objects in space?
A)life science
B)physical science
C)earth science
D)chemical science
6.
Which of these is a factor to which experimental results can be compared?
A)constant
B)independent variable
C)control
D)dependent variable
7.
Which is a rule that describes the behavior of something in nature?
A)hypothesis
B)observation
C)theory
D)law
8.
The process of using scientific discoveries for practical purposes is called
A)technology.
B)science.
C)a scientific law.
D)a scientific theory.
9.
Dr. Fred Whipple proposed that a comet was like a dirty snowball. This is an example of
A)a law.
B)a hypothesis.
C)a theory.
D)an observation.
10.
What type of questions cannot be solved by scientific methods?
A)difficult questions
B)questions about outer space
C)ethical questions
D)questions about the interior of Earth
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