Scientific Method. Scientific Method: Ask a question (or a problem) : What is it you want to find...
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Transcript of Scientific Method. Scientific Method: Ask a question (or a problem) : What is it you want to find...
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Scientific Method
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Scientific Method:
Ask a question (or a problem): What is it you want to find out?
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Scientific Method: Form a Hypothesis (educated
guess)-What you expect to happen
It’s a prediction-What you think will happen
“If...then” format-Cause and Effect Relationship
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Cause Effect
If ____________ then_________ .
+ verb + verb
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Scientific Method: • Gather materials.
• Experiment - test the hypothesis.
Carry out and experiment using a procedure (step by step)
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Variable:-Thing that is being changed in an experiment.-The opposite of a variable is called a Constant.
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#1. Independent variable (or IV or manipulated variable or the cause):
The part of the experiment that is changed on purpose. In a good experiment, only 1 thing is changed on purpose at a time.
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#2. Dependent variable (or DV or responding variable or effect):
The part of the experiment that is affected by the IV. It is the results of the experiment.
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Scientific Method:Make observations:
Organize your information into some type of table and/or graph.
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Scientific Method: Analyze the results
The outcomes of theexperiment presented in
graphs or tables
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Scientific Method: • Draw Conclusions -
Answer the question/problem you started with.
• Communicate ResultsWritten or oral informationused to inform others aboutyour findings
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CER Conclusion
• Claim: Answer the question you began with. ONLY the answer, not why or how.
• Evidence: What data from lab helps prove your claim?
• Reasoning: What is the scientific explanation for your claim and evidence? Why were your results what they were?