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Scientific Method
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Objective Know how to PLAN and conduct an experiment
Know how to MEASURE data CORRECTLY
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Vocab Hypothesis Theory Variable Control Group
Experimental variable (Independent) Responding variable (dependent) Controlled variables Control Group
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What is science?
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What is science? The intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment The effort to understand Monty Python (good quality)
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The key is to share your findings
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Examples of science What you eat How you interact with people Sports
Survival Mythbusters guy
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Scientific Method 1/3 Observe Form Hypothesis Question
Gather data using five senses Form Hypothesis Explanation, prediction, educated guess Must be falsifiable “if… then…” statement
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Scientific Method 2/3 Experiment Experimental Group Control Group
Experimental variable (independent)– factor you want to test Responding variable (dependent) – factor you measure Controlled variables – factors that remain unchanged each time Control Group All factors held constant Used for comparison
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Scientific Method 3/3 Measure Data (analyze results) Conclusion
Look it over, think about it You have most likely answered your first question by creating even more questions Graphic organizers help Conclusion Was your hypothesis correct? Share Findings Monty Python
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Always be very detailed when writing hypotheses, planning/designing experiments, and writing conclusions
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Repeat experiments In order to make sure your results are valid, you should repeat your experiment many times
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DRY MIX D – dependent variable R – responding variable Y – y-axis (when graphing) M – manipulated variable (experimental) I – independent variable X – x-axis (when graphing)
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What is a theory? a well tested explanation that unifies a broad range of observations supported by lots of experimenting by lots of scientists
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