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Chapter 2: Tools of Environmental Science Flashcards | StudBud
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Chapter 2: Tools of Environmental Science
Chapter 2: Tools of Environmental Science
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1
The chance that an event will happen
Probability
Risk
Prediction
Chance
2
What essential characteristic does a good experiment have? (more than on correct answer)
A single variable is tested
A control group is used for comparison.
A control group is given the experimental treatment.
There is no independent variable
3
In an experiment, the variable you are changing/manipulating is the…
control variable
dependent variable
experimental variable
independent variable
4
Which of the following models would you use to show the amount of forest coverage in a country?
physical
mathematical
conceptual
graphical
5
Probability of an outcome that is unwanted
prediction
inference
probability
risk
6
Which type of model is particularly useful in scientific cases with many variables?
physical
conceptual
graphical
mathematical
7
Steps used by scientists to answer questions
Correlation method
Real Science
Experimental method
Observational method
8
The three final steps of the experimental method in their correct order are
drawing conclusions, analyzing data, and repeating experiments.
repeating experiments, communicating results, and drawing conclusions.
observing, hypothesizing, and drawing conclusions
drawing conclusions, repeating experiments, and communicating results.
9
Logical statement about what will happen
Prediction
Probability
Conclusion
Correlation
10
Systematic process for making decisions
Mathematical model
Decision-making model
Graphical model
Systematic model
11
What scientists use to test a prediction when they cannot use an experiment
inference
observation
correlation
control variable
12
Numerical collection and classification of data
Statistics
Risk
Algebra
Probability
13
Not defined as an educated guess
observation
hypothesis
inference
conclusion
14
Scientist use statistics to…
analyze data
communicate ideas to each other
ensure accuracy
waste time
15
Procedure to test a hypothesis
Probability
Correlation
Experiment
Inference
16
The type of observation that describes the characteristics of something is called a(n)
correlated observation
qualitative observation
inference
quantitative observation
