Science Ch. 1 T/F Question Preview (ID: 43427)


Section 1. TEACHERS: click here for quick copy question ID numbers.

Scientific models are often used to help scientists understand a problem.
a) True
b) False
c) a
d) b

Computer models can be touched.
a) True
b) False
c) a
d) b

Einstein's idea model for his theory of relativity was also built as a physical model.
a) True
b) False
c) a
d) b

Once a scientific model has been created, it cannot be changed.
a) True
b) False
c) a
d) b

Although people of different races, sexes, and cultures have made scientific discoveries, they have all been adults, older than you.
a) True
b) False
c) a
d) b

The only way to test a hypothesis is by conducting a controlled experiement.
a) True
b) False
c) a
d) B

An important part of planning an experiment is determining the materials needed.
a) True
b) False
c) a
d) b

Data tables help you to organize your observations and test results.
a) True
b) False
c) a
d) b

Using scientific methods means doing a professional experiment.
a) True
b) False
c) a
d) b

Laboratory safety is not an important concern for scientists.
a) True
b) False
c) a
d) b

If the results of a study do not support a hypothesis, it means that the experiment failed.
a) True
b) False
c) a
d) b

When observing and recording the results of an experiment, observations may include both measurements and descriptions.
a) True
b) False
c) a
d) b

Scientific models have two basic types.
a) True
b) False
c) a
d) b

Variables are those factors that can be changed in an experiment.
a) True
b) False
c) a
d) b

All important scientific discoveries are made by professional scientists.
a) True
b) False
c) a
d) b

Data are always numerical measurements.
a) True
b) False
c) a
d) b

A hypothesis is a decision based on the results of the experiment.
a) True
b) False
c) a
d) b

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) True
b) False
c) a
d) b

It is often necessary to look at the same problem in different ways in order to find an answer.
a) True
b) False
c) a
d) b

Models may change as new discoveries are made.
a) True
b) False
c) a
d) b

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