Section 1-3 Scientific Processes
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Transcript of Section 1-3 Scientific Processes
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Section 1-3
Heather Sullivan- FRHSDHeather Sullivan- FRHSD
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The basis for scientific research
Noting or perceiving objects/events using your senses
John Harte’s Observation: Decrease in # of
salamander in Rocky Mountains
Our observation: The Sky is soooo
beautiful!
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Observations lead to questions
Harte’s Question: Why were the
salamander #’s decreasing?
Our Question: Why is the sky
blue?
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Explanation that might be true Educated Guess
Must be Testable! Harte’s Hypothesis
Acid rain was falling as winter snow on the Rockies
The acid was released when the snow melted in the Spring
Our Hypothesis: ???
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Expected Outcome of a test
What you think will happen if you test your hypothesis
Harte’s Predictions: He would find acid in
the ponds after snow melted
There would be enough acid to harm salamanders
Our Prediction: ???
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Confirm/Reject prediction
A way to collect data
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Control GroupVariables
Independent Dependent
Nuisance Variables
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Global Decline of Amphibians Habitat destruction competition w/ Invasive Species chemical pollutants high rate of fatal infections
Indicator Species
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