AnswersRogowskiWCA 4321 Environmental Science 1st 9 weeks 26-27Scientific Models

Scientific Models Answers

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1
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Which of the following types of models would be most effective to demonstrate the relationship between distance and time?

A
idea model
B
physical model
C
computer model
D
none of the above
2
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Scientific models are based on a set of observations.

A
T
B
F
3

Scientific models can be used for a variety of different purposes. Which of the following statements about scientific models is not true?

A
Scientific models can save money and lives.
B
Scientific models allow scientists to test their predictions.
C
Scientific models allow scientists to study systems that no longer exist.
D
Scientific models are used rarely.
4

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

A
T
B
F
5

The model of the solar system changed, because _______.

A
understanding of the solar system changed.
B
the order of the planets changed.
C
the first model of the solar system was not built to scale
D
none of the above
6

All models have limitations.

A
T
B
F
7

Scientific models can never be changed.

A
T
B
F
8

Which of the following is not an example of a scientific model?

A
a diagram of a cell
B
a data table
C
a three-dimensional representation of an atom
D
a graph showing the change in temperature and volume over time for hydrogen gas
9

Which of the following scenarios represents the best use of a scientific model?

A
predicting weather patterns
B
studying the result of mixing two chemicals
C
studying the effect of oil spills on plant growth
D
studying the speed of a ball down an inclined plane
10

Which of the following types of models is usually in the form of a drawing, graph, or equation?

A
idea model
B
physical model
C
computer model
D
none of the above
11

Which of the following types of models is generally used to predict long-term events?

A
idea model
B
physical model
C
computer model
D
none of the above
12

Scientists utilize models for a variety of different purposes, but each type of scientific model has limitations. What might be a limitation of existing solar system models?

A
They are not based on experimentation.
B
They are used for prediction.
C
They cannot be changed.
D
They are based on current knowledge.
13

Which of the following statements about physical models is not true?

A
Physical models are often three-dimensional representations.
B
Physical models are used to represent an object or event.
C
Physical models are usually in the form of a graph.
D
Physical models can be used to depict microscopic objects.
14

Scientific models can be used for a variety of different purposes. Which of the following is not a possible use for a scientific model?

A
study of complex systems
B
study of obsolete systems
C
replace study of the larger system
D
answer scientific questions
15

Computer models are the only type of model that can be used to make predictions.

A
T
B
F

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