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Environmental Science Chapter 2 Review Flashcards | StudBud
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Environmental Science Chapter 2 Review
Environmental Science Chapter 2 Review
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Questions
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Answers
1
chance of something happening
risk
value
probability
data
2
verbal or graphical explanation for how a system works or is organized
hypothesis
experiment
conceptual model
statistics
3
The average mass of a wolf in a pack of wolves is an example of
mean
sample size
distribution
statistical population
4
Why are mathematical models important?
They can represent how a system or process works
They can be used to create useful digital images
all of the above
They are especially useful in situations with many variables
5
The chance that an earthquake will occur in your town during the next year is an example of
risk
correlation
skepticism
distribution
6
a three-dimensional model you can touch
experiment
conceptual model
physical model
graphical model
7
In a scientific investigation, it is important that the number of objects or events being sampled be
large enough to give an accurate estimate for the whole population
equal to the total statistical population
equal to the mean number of objects or events not sampled
a guess of how likely an unwanted outcome will occur
8
collection and classification of data in the form of numbers
hypothesis
statistics
data
observation
9
in an experiment, that which does not receive the experimental treatment
risk
data
control group
value
10
On land being bought, a endangered species of mammal is known to breed. What's a possible positive long term consequence
The population of the endangered species increases
Habitat destruction is immediately slowed
Environmental controls are made less strict outside the preserve area
Habitats outside the preserve area are damaged by over development
11
information gathered by using sight, hearing, smell, and touch
observation
statistics
correlation
experiment
12
testable explanation for an observation
observation
hypothesis
statistics
experiment
13
A model of a dinosaur is an example of a __________ model.
conceptual
mathematical
graphical
physical
14
information gathered during an experiment
probability
prediction
value
data
15
A road map is an example of a
conceptual model
physical model
mathematical model
graphical model
16
association used to study a subject when using an experiment is impossible or unethical
correlation
probability
value
prediction
17
What essential characteristic does a good experiment have?
A control is used.
control group is given the experimental treatment.
Both answer blue and yellow
A single variable is tested.
18
A good hypothesis is more than a guess because it
is based on intuition rather than observation
states what is likely to happen
both answers 2 and 3
makes logical sense
19
the probability of unwanted outcome
value
risk
statistics
data
20
Experimental methods include which of the following steps?
being curious, imagining, able to see patterns, observing, and predicting
observing, hypothesizing, predicting, experimenting, communcating results
drawing conclusions,being open to new ideas, and communicating results
remaining skeptical, oranizing data, and analyzing data
21
principles or standards we consider important
prediction
value
probability
correlation
22
procedure for testing a hypothesis under controlled conditions
hypothesis
statistics
conceptual model
experiment
23
If you consider what will protect our natural resources when making an environmental decision, you are examining a value
ethical/moral
scientific
aesthetic
environmental
24
Before you can make a decision using a decision-making model, what step must you take?
Explore the consequences of each option
Gather information
Consider which values apply to the issue
all of the above
25
logical statement about what will happen if a hypothesis is correct
prediction
value
correlation
experiment
