Tennessee Science Grade 7

Chapter 1: The Nature of Science

The Nature of Science

1
An experiment is a specific test of a __________.
A)theory
B)hypothesis
C)control
D)variable
2
Which of the following is not useful for showing patterns in data?
A)graph
B)table
C)procedure
D)chart
3
What occurs when the expectations of a scientist change how the results of an experiment are viewed?
A)conclusion
B)bias
C)revision
D)data
4
A(n) __________ is a well-organized procedure that tests an idea.
A)theory
B)method
C)experiment
D)hypothesis
5
Which of the following questions is legitimate for science to consider?
A)Is competition good or evil?
B)How many seals can a killer whale consume per day?
C)When is religion better than philosophy?
D)Which type of orchid flower is most beautiful?
6
__________ science investigates Earth and space.
A)Earth
B)Astrology
C)Physical
D)Life
7
__________ is a process that uses observation and experimentation to gain knowledge about the regularities in nature.
A)Measurement
B)Graphing
C)Science
D)Hypothesizing
8
__________ is the practical application of science.
A)Scientific law
B)Technology
C)Data
D)Knowledge
9
__________ science deals with living things.
A)Physical
B)Human
C)Earth
D)Life
10
Which of the following models can you see and touch?
A)concept
B)computer
C)idea
D)physical
11
A(n) __________ is a prediction or explanation that can be tested by experimentation.
A)method
B)hypothesis
C)theory
D)scientific law
12
What factors can be changed in an experiment?
A)standards
B)controls
C)constants
D)variables
13
A collection of structures, cycles, and processes that relate to and interact with each other is a(n) __________.
A)machine
B)model
C)system
D)organism
14
A(n) __________ is something that represents an idea or object to help people better understand it.
A)model
B)method
C)theory
D)observation
15
Explanations of natural phenomena supported by large amounts of data are called __________.
A)laws
B)experiments
C)theories
D)hypotheses
16
__________ science deals with matter and energy.
A)Social
B)Physical
C)Earth
D)Life
17
Information gathered during experiments is/are called __________.
A)conclusions
B)a hypothesis
C)a theory
D)data
18
To __________ something means to draw a conclusion based on what you observe.
A)theorize
B)hypothesize
C)infix
D)infer
19
What factor is not changed in an experiment?
A)temperature
B)constant
C)independent variable
D)dependent variable
20
A(n) __________ is a rule that describes a pattern in nature.
A)scientific law
B)observation
C)hypothesis
D)theory
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