Section 1-3 Heather Sullivan- FRHSD

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!

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!

Observations lead to questions Harte’s Question: Why were the salamander #’s decreasing? Our Question: Why is the sky blue?

Observations lead to questions

Harte’s Question:

Why were the salamander #’s decreasing?

Our Question:

Why is the sky blue?

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: ???

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:

???

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: ???

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:

???

Confirm/Reject prediction A way to collect data

Confirm/Reject prediction

A way to collect data

Control Group Variables Independent Dependent Nuisance Variables

Control Group

Variables

Independent

Dependent

Nuisance Variables

Global Decline of Amphibians Habitat destruction competition w/ Invasive Species chemical pollutants high rate of fatal infections Indicator Species

Global Decline of Amphibians

Habitat destruction

competition w/ Invasive Species

chemical pollutants

high rate of fatal infections

Indicator Species