Chapter 2: The Science of Biology
Targets:
 Describe the nature of scientific inquiry
 Summarize the nature of discovery science
 Outline the generalized steps of the hypothesis-based science
 State how the terms evidence, hypothesis, and theory are used in science.
THINK, PAIR, SHARE
Answer the following questions by yourself:
1. What is science?
2. How do we do science?
3. What is not science?
NOTES
What is the nature of scientific inquiry?
What is Discovery Science?
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 Observation may be descriptive (qualitative).
Ex.
 Observation may be measurements (quantitative).
Ex.
 A logical conclusion based on observations is an inference.
 Ex.
What is hypothesis-based science?
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1. Recognizing a Question:
Experimental (Independent) Variable:
Dependent Variable:
Example:
2. Develop the Hypothesis:
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
Example:
3. Test the Hypothesis:
Controlled Experiment…
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Example:
4. Analyze the Data:
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5. Drawing and conclusion and communicating results:
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How are the terms evidence, hypothesis and theory used in science?
 Evidence:
 Hypothesis:
 Theory:
Wrapping it Up: Answer the targets.
1.
Describe the nature of scientific inquiry.
2.
Summarize the nature of discovery science.
3.
Outline the generalized steps of the hypothesis-based science.
4.
State how the terms evidence, hypothesis, and theory are used in science.