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DOING SCIENCE Describing & Explaining Nature. Biology is the scientific study of life.Biology is the...
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Biology is the Biology is the scientificscientific study study of life.of life.
But what does “scientific” mean?Science = Latin meaning “to know”Doing science = finding out about
nature Asking questions Searching for answers
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Two Ways to Do ScienceTwo Ways to Do Science
Discovery Science = Describing Nature
Example – Tadpoles change into frogs
Hypothesis-based Science = Explaining Nature
Example – Do frogs like flies better than other insects?
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Discovery Scientists Observe Discovery Scientists Observe NatureNatureJane Goodall learned about chimpanzees in
East Africa
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Discovery ScienceDiscovery ScienceMake observations by using your
5 senses:
See, Hear, Smell, Taste, and Feel
Come up with inferences based on your observations
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Observations can be…Observations can be…Qualitative (using
words) Color Comparisons Descriptions
Quantitative (numbers) Weight Height Number of leaves
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PRACTICE - Discovery PRACTICE - Discovery ScienceScienceWhat observations can you make?What inferences can you make?
www.phsucsessnet.com
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PRACTICE - Discovery PRACTICE - Discovery ScienceScienceWhat observations can you make?
What inferences can you make?
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureIt always starts with a problem…
Why isn’t my iPod working?
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureThen you research what’s wrong…
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureThen you make a hypothesis…
If I turn it off and then turn it on, maybe it will fix the problem.
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureThen you experiment on it… TRY IT OUT!
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureThen you collect data
“Turning it off and on did not fix the problem.”
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureThen you analyze the data
“Turning it on and off didn’t work, so… I’ll have to try something else!”
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Hypothesis-Based Scientists Hypothesis-Based Scientists
Explain NatureExplain NatureFinally, you make a conclusion and you share it with everyone!
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So, Hypothesis-Based So, Hypothesis-Based Science…Science…
Problem
Research
Hypothesis
Experiment
Data Collection
Analysis
Conclusion
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How do I remember the How do I remember the order?order?
People
Rob
Houses
Even
Directly
After
Church
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PRACTICE – Analyzing PRACTICE – Analyzing DataDataWhat do you think the experiment was about?