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Ch. 2 Methods Of Science
Test Description: Multiple choice
Instructions: Answer all questions to get your test result.
1) Science can best be described as
A
an information gathering process
B
based on absolute facts
C
a difficult process
D
a kind of logic
2) A scientist begins working by trying to explain a natural occurrence that is
A
important to humans
B
unstable
C
observable
D
undetectable
3) A scientific explanation for a natural occurrence is called
A
an observation
B
guesswork
C
detection
D
a hypothesis
4) Scientists always prove or disprove their explanation by
A
lab experiments
B
using teir imaginations
C
gathering evidence
D
mathematical formulas
5) Science is uncertain and changeable because
A
competition among scientists is fierce
B
scientific tools are often unreliable
C
new evidence leads to altered hypotheses
D
the education of scientists is always improving
6) All of the following are subjects for scientific study except
A
the pollution of water
B
the behavior of fish
C
the right to die
D
the size of the universe
7) Different scientists may obtain different results when studying the same subject because
A
they use different techniques
B
they delibrately lie
C
they do not cooperate
D
observations always differ
8) All of the following tools enhance a scientist's senses except
A
a telescope
B
a Geiger counter
C
a stethoscope
D
a microscope
9) To be considered valid, the results of a scientific experiment must be
A
simple & elegant
B
mathematically verified
C
repeatable
D
written up in detail
10) Before an experiment, a scientist needs to review
A
all possible predictions for other experiments
B
consumer trends
C
public opinion polls
D
results of other experiments related to the subject
*select an answer for all questions
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