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Ch. 2 Tools of Environmental Science Flashcards | StudBud
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Ch. 2 Tools of Environmental Science
Ch. 2 Tools of Environmental Science
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A #science Quiz! about scientific methods and models, and making informed decisions.
Flashcards
39 cards
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Questions
39
Answers
1
The decision-making model
All of the above
helps you make decisions.
is a conceptual model.
provides a systematic process.
2
a flow chart
mathematical model
physical model
graphical model
conceptual model
3
“If a marsh is included as part of a nature preserve, will it protect our water resources?”
aesthetic value
social/cultural value
environmental value
educational value
4
Scientists use statistics to
communicate ideas to each other.
graph data.
analyze data.
All of the above
5
The three final steps of the experimental method in their correct order are
drawing conclusions, repeating experiments, sharing results
drawing conclusions, analyzing data, repeating experiments.
repeating experiments, sharing results, drawing conclusions.
observing, hypothesizing, and drawing conclusions.
6
Curiosity and imagination are important in science because they are
models that represent objects and systems in the environment
abilities in scientists that help expand our knowledge.
skills needed to organize and analyze data.
None of the above
7
considering whether or not people will benefit financially from creating a national park
None of the above
making a decision
exploring consequences
gathering information
8
logical statement about what will happen
hypothesis
experiment
observation
prediction
9
The classification and collection of data that are in the form of numbers is called
mean.
distribution.
probability.
statistics.
10
Which model is particularly useful in scientific cases with many variables?
physical
mathematical
conceptual
graphical
11
procedure used to test a hypothesis
experiment
hypothesis
data
prediction
12
When studying a system, a conceptual model can help scientists understand
Neither of the above
Both of the above
what components a system contains.
how the system components affect each other.
13
logical statement about what will happen
prediction
observation
experiment
hypothesis
14
To get an accurate result, a sample size must be
small enough to give an accurate estimate for multiple pops.
greater than the mean.
large enough to give an accurate estimate for a whole pop.
equal to the mean.
15
testable explanation for an observation
experiment
prediction
hypothesis
observation
16
information gathered in an experiment
data
prediction
experiment
observation
17
One important scientific habit of mind is the ability to conceive of new ideas, called
curiosity.
imagination.
intellectual honesty.
skepticism.
18
The chance that an earthquake will occur in your town during the next year is an example of
correlation.
distribution.
risk.
skepticism.
19
In an investigation, it is important that the number of objects or events being sampled be
equal to the total statistical population.
equal to the mean number of objects or events not sampled.
large enough to give an accurate estimate for the whole pop.
a guess of how likely an unwanted outcome will occur.
20
Which type of model would you use to represent the shape of Earth’s surface beneath the oceans?
conceptual
physical
mathematical
graphical
21
includes maps and charts
mathematical model
physical model
graphical model
conceptual model
22
three-dimensional representation you can touch
graphical model
mathematical model
physical model
conceptual model
23
information gathered by using the senses
prediction
observation
experiment
data
24
Risk is
a group of similar things of interest to a scientist.
the collection of numerical data.
the probability that something wanted will happen.
the probability that something unwanted will happen.
25
considering what will add to our understanding of the natural world in making a decision
environmental value
ethical/moral value
aesthetic value
scientific value
26
Before you can make a decision using a decision-making model, what step must you take?
Consider which values apply to the issue.
Explore the consequences of each option.
Gather information.
All of the above
27
testable explanation for an observation
experiment
observation
prediction
hypothesis
28
In an experiment, the factor of interest is called the
experimental group.
control group.
variable.
hypothesis.
29
information gathered in an experiment
data
observation
hypothesis
experiment
30
procedure used to test a hypothesis
prediction
observation
hypothesis
experiment
31
The classification and collection of data that are in the form of numbers is called
statistics.
distribution.
mean.
probability.
32
The group that does not receive the experimental treatment in an experiment is the
control group.
data.
experimental group.
variable.
33
Listing positive and negative long- and short-term consequences can help you to
collect data for a graph.
weigh your values.
predict risks involved.
make observations.
34
A model of a dinosaur is an example of a _____ model.
graphical
conceptual
mathematical
physical
35
Principles or standards we consider important are known as
models.
values.
data.
morals.
36
What essential characteristic does a good experiment have?
A control is used.
A single variable is tested.
A control group is given the experimental treatment.
Both a single variable is tested and a control is used.
37
equation representing how a process works
physical model
mathematical model
conceptual model
graphical model
38
information gathered by using the senses
data
observation
prediction
experiment
39
allow scientists to test predictions for issues that are impossible or unethical to experiment
observations
correlations
variables
control groups
