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Ch. 2 Science and the Environment Flashcards | StudBud
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Ch. 2 Science and the Environment
Ch. 2 Science and the Environment
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1
procedure designed to test a hypothesis
statistics
experiment
data
control group
2
a logical statement about what will happen in an experiment
control group
risk
prediction
value
3
When you examine a scientific value in making an environmental decision, you
consider what is right or wrong.
use your understanding of the natural world.
consider what will maintain human health.
think about what will promote learning.
4
An essential feature of every good experiment is that it should
test a single variable.
graph data.
use a control.
test a variable and use a control
5
When it is not possible to conduct an experiment, scientists test their predictions by
remaining skeptical.
using a control.
testing for one variable.
examining correlations.
6
What is not a description of a good hypothesis?
It is a guess based on previous experiments.
It follows from what you already know about a situation.
It makes logical sense.
It is a testable explanation of an observation.
7
in an experiment, that which does not receive the experimental treatment
conceptual model
physical model
physical model
control group
8
a three-dimensional model you can touch
conceptual model
physical model
data
control group
9
What is the first step in an environmental decision-making model?
Consider which values apply to the issue.
Explore the consequences of each option.
Gather information.
Make a decision.
10
Statistics are not used by scientists to
analyze data
compare data. Statistics are not used by scientists to
gather data.
All of the above
11
A road map is an example of a
graphical model.
mathematical model.
conceptual model.
physical model.
12
principles or standards considered to be important
statistics
prediction
risk
value
13
collection and classification of data
conceptual
statistics
data
value
14
Experimental methods include which of the following steps?
drawing conclusions, being open to new ideas, and communicating results
observing, hypothesizing, predicting, experimenting, and communicating resu
remaining skeptical, organizing data, and analyzing data
being curious, imagining, being able to see patterns, observing, and predic
15
considering what will add to our understanding of the natural world in making a decision; is examining a(n)_______ value
scientific
environmental
aesthetic
ethical/moral
16
One of the key habits of mind of scientists is ______________, which allows scientists to expand the boundaries of what
imagination
intellectual honesty
correlation
replication
17
the probability of an unwanted outcome
prediction
value
statistics
risk
18
information gathered during an experiment
value
risk
statistics
data
19
Which of the following is a possible short-term consequence of creating a nature preserve?
all of the above
an increase in property values near the preserve
a restriction of recreational activities on private land
decrease in habitat destruction
20
In a scientific investigation, the size of the sample population should be large enough to
closely resemble the system they represent.
All of the above
give an accurate estimate of the whole population.
reflect the probability of an unwanted outcome.
21
a verbal or graphical explanation for how a system works or how it is organized
experiment
physical model
control group
conceptual model
