Do Now Briefly describe 2 processes of the scientific method that you can remember from previous lab...
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![Page 1: Do Now Briefly describe 2 processes of the scientific method that you can remember from previous lab experience.Briefly describe 2 processes of the scientific.](https://reader035.fdocuments.us/reader035/viewer/2022070412/5697bf861a28abf838c88293/html5/thumbnails/1.jpg)
Do Now • Briefly describe 2 processes of the
scientific method that you can remember from previous lab experience. –Write 2-3 complete sentences
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Activity• Design a hypothesis and method with your team as to how you would accurately determine the precise temperature at which water boils with varying volumes of water in different containers.
• Ruler• Electric heating table• Classic thermometer
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The Process of Science
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Science is based on empirical data that can be either directly or indirectly
observed in the natural world.
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Science does not address supernatural phenomenon
that are not a part of the natural, observable
universe
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• a flexible framework that guides the study of nature.
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SCIENCE PROCESSES• Observing• Inferring• Classifying• Comparing• Measuring• Estimating• Scientific Modeling
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SCIENCE PROCESSES• Using a control
• Using proper sample size
• Controlling variables
• Making Graphs + Tables
• Analyzing
• Coming to Conclusions
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The Importance of Prediction
• Predictions are a way to test the hypothesis’ validity
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Observation, the Currency of Science
• Scientific knowledge is based on observation
• Scientific knowledge is also based on experimentation
• Quantitative vs. Qualitative data
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Inference vs. Observation• Observation is what you can see,
feel, touch, smell, taste using ALL your 5 senses
–Ex. I see a TV in front of the class
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Inference Inference what you interpret using logic and prior experience.
Ex. I see someone standing in front of the class, they must be the teacher.
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Observation• Precise measurements are those
that—when repeated many times—remain close in value –Ex. 200 times of tossing a coin
shows .50 head and .50 tails
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Observation• Accurate measurements are those
that show the closest to the TRUE value.–Ex. Multiple measurements of
your body temperature hold close to the average value of 98.6
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All research in science must be subject to peer
review.
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•Inductive (small to large)
– from small observations to the big picture
•Deductive (large to small)
– from overall view to small details
Inductive and Deductive Reasoning
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INDUCTIVE•Small FACT:
– Iron is a metal & heavier than H2O– Lead is a metal & heavier than H2O – Gold is a metal & heavier than H2O
•CONCLUSION:
•ALL metals are heavier than water
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DEDUCTIVE•GENERAL RULE:– ALL birds have wings
•Specific example:•Robins are birds
•CONCLUSION:
•ALL Robins have wings
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In Science a theory is not a flimsy idea. It is an idea
that is supported by copious amounts of data,
evidence, and observations.
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Theories and Principles• Hypothesis supported by a
LARGE body of observations and experiments = THEORY
• Well established, REPEATED testing = PRINCIPLE (LAW )– STRONGEST STATEMENT