Introduction To Physical Science

Chapter 1: The Nature of Science

The Nature of Science

1
Explanations of natural phenomena supported by large amounts of data are called __________.
A)hypotheses
B)experiments
C)theories
D)laws
2
A(n) __________ is a rule that describes a pattern in nature.
A)scientific law
B)observation
C)hypothesis
D)theory
3
A(n) __________ is a prediction or explanation that can be tested by experimentation.
A)hypothesis
B)theory
C)method
D)scientific law
4
What occurs when the expectations of a scientist change how the results of an experiment are viewed?
A)revision
B)conclusion
C)bias
D)data
5
__________ science deals with living things.
A)Human
B)Earth
C)Life
D)Physical
6
Information gathered during experiments is/are called __________.
A)a hypothesis
B)conclusions
C)data
D)a theory
7
Which of the following models can you see and touch?
A)physical
B)idea
C)concept
D)computer
8
__________ science investigates Earth and space.
A)Astrology
B)Physical
C)Earth
D)Life
9
__________ is a process that uses observation and experimentation to gain knowledge about the regularities in nature.
A)Graphing
B)Science
C)Measurement
D)Hypothesizing
10
What factors can be changed in an experiment?
A)standards
B)variables
C)controls
D)constants
11
A(n) __________ is a well-organized procedure that tests an idea.
A)theory
B)hypothesis
C)experiment
D)method
12
A(n) __________ is something that represents an idea or object to help people better understand it.
A)theory
B)method
C)observation
D)model
13
Which of the following is an example of technology?
A)studying how the skin of a shark repels water
B)studying the behavior of light as it travels through fiber optic wires
C)developing new materials based on knowledge gained by studying animals
D)studying how to harness the energy of sunlight
14
What is the primary difference between a scientific theory and a scientific law?
A)A theory does not have a large body of supporting data.
B)A theory describes a pattern and a scientific law explains why something happens.
C)Scientific theories are absolute.
D)A theory explains why something happens and a law describes a pattern.
15
__________ is the practical application of science.
A)Data
B)Scientific law
C)Knowledge
D)Technology
16
An experiment is a specific test of a __________.
A)hypothesis
B)theory
C)control
D)variable
17
To __________ something means to draw a conclusion based on what you observe.
A)theorize
B)infix
C)hypothesize
D)infer
18
Which of the following is NOT a method that scientists might use to communicate their findings to other scientists?
A)publishing articles in professional journals
B)publishing reports on the Internet
C)mental telepathy
D)giving speeches at conventions
19
What factor is not changed in an experiment?
A)temperature
B)constant
C)independent variable
D)dependent variable
20
How does a scientist confirm data?
A)by observing that repeating the experiment yields similar results
B)by checking calculations for errors
C)by making sure that technicians follow procedures properly
D)by consulting with an expert in the field
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