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Unit 2 Objectives: Scientific Method
Terms in this set (8)
Differentiate between science and pseudoscience.
A science is a body of hypothesis based upon observation and experiment.
A pseudoscience is a body of hypotheses treated at true, but without a consistent body of supporting experimental evidence.
Explain each of the steps of the scientific method.
The steps of the scientific method are to:
Ask a Question
Do Background Research
Construct a Hypothesis
Test Your Hypothesis by Doing an Experiment
Analyze Your Data and Draw a Conclusion
Communicate Your Results
Compare the use of the scientific method and the environmental decision making model.
the scientific method-is more of testing your decision
environmental decision making model-is more of considering values than making the decision
Define the parts of a controlled experiment.
A variable is an object, event, idea, feeling, time period, or any other type of category you are trying to measure. There are two types of variables-independent and dependent.
Identify the variable, control group, and experimental group in a given experiment.
variable-independent(changes), dependent(measurement), and controlled(stays the same).
control group-is exposed to all of the circumstances of the experiment but does not get whatever is being tested or changed in the experiment.
experimental group-receives the variable being tested.
describe why a good hypothesis is not simply a guess.
A hypothesis is an educated guess, and a guess has no previous knowledge about it. A hypothesis is usually part of a scientific experiment which involves a method for testing the hypothesis, and either supporting it, or supporting the opposite, the null hypothesis.
describe the two essential parts of a good experiment.
treatment, and control
describe how scientists study subjects in which experiments are not possible.
To be termed scientific, a method of inquiry must be based on gathering observable, empirical and measurable evidence subject to specific principles of reasoning.
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