Glencoe Physical Science

Chapter 1: The Nature of Physical Science

The Nature of Science

1
How are a hypothesis and a theory similar?
A)A hypothesis and a theory cannot be revised
B)Theories and hypotheses are produced by experts.
C)They are attempts to explain natural phenomena.
D)They are about equally true.
2
Explanations of natural phenomena supported by large amounts of data are called __________.
A)hypotheses
B)data
C)theories
D)experiments
3
__________ is the application of science to help people.
A)Data
B)Technology
C)Scientific law
D)Knowledge
4
A(n) __________ is a well-organized procedure that tests an idea.
A)experiment
B)method
C)hypothesis
D)theory
5
A(n) __________ is something that represents an idea or object to help people better understand it.
A)theory
B)model
C)observation
D)method
6
The SI base unit of length is the __________.
A)meter
B)kilogram
C)liter
D)kilometer
7
Which variable in an experiment is specifically changed by the scientist?
A)dependent variable
B)control
C)independent variable
D)standard
8
A(n) __________ is a prediction or explanation that can be tested by experimentation.
A)method
B)theory
C)hypothesis
D)scientific law
9
What occurs when the expectations of a scientist change how the results of an experiment are viewed?
A)data
B)revision
C)bias
D)conclusion
10
In a controlled experiment, the single factor manipulated by the researcher is the __________ variable and the responding factor that is measured is the __________ variable.
A)controlled, common
B)controlled, uncontrolled
C)dependent, independent
D)independent, dependent
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