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Science Ch. 1 T/F
Test Description: Section 1
Instructions: Answer all questions to get your test result.
1) All important scientific discoveries are made by professional scientists.
A
b
B
a
C
False
D
True
2) Scientific models have two basic types.
A
b
B
True
C
a
D
False
3) Variables are those factors that can be changed in an experiment.
A
True
B
False
C
a
D
b
4) When observing and recording the results of an experiment, observations may include both measurements and descriptions.
A
a
B
True
C
False
D
b
5) Using scientific methods means doing a professional experiment.
A
False
B
b
C
a
D
True
6) Laboratory safety is not an important concern for scientists.
A
False
B
a
C
True
D
b
7) If the results of a study do not support a hypothesis, it means that the experiment failed.
A
False
B
True
C
b
D
a
8) Scientific models are often used to help scientists understand a problem.
A
a
B
True
C
False
D
b
9) Computer models can be touched.
A
False
B
b
C
a
D
True
10) Einstein's idea model for his theory of relativity was also built as a physical model.
A
True
B
a
C
b
D
False
11) Once a scientific model has been created, it cannot be changed.
A
True
B
False
C
b
D
a
12) Although people of different races, sexes, and cultures have made scientific discoveries, they have all been adults, older than you.
A
False
B
b
C
a
D
True
13) The only way to test a hypothesis is by conducting a controlled experiement.
A
B
B
True
C
a
D
False
14) An important part of planning an experiment is determining the materials needed.
A
True
B
False
C
a
D
b
15) Data tables help you to organize your observations and test results.
A
b
B
a
C
False
D
True
16) Data are always numerical measurements.
A
b
B
a
C
False
D
True
17) A hypothesis is a decision based on the results of the experiment.
A
b
B
True
C
False
D
a
18) If it takes more than a few experiments to find the answer to a particular problem, it means that the scientist has failed and is not a very good researcher.
A
b
B
True
C
False
D
a
19) It is often necessary to look at the same problem in different ways in order to find an answer.
A
a
B
True
C
b
D
False
20) Models may change as new discoveries are made.
A
b
B
True
C
a
D
False
*select an answer for all questions
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