Scientific Processes Chapter 1.2 & 1.3 (You already know this!)
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Transcript of Scientific Processes Chapter 1.2 & 1.3 (You already know this!)
![Page 1: Scientific Processes Chapter 1.2 & 1.3 (You already know this!)](https://reader035.fdocuments.in/reader035/viewer/2022062422/56649ec85503460f94bd52b3/html5/thumbnails/1.jpg)
Scientific Processes
Chapter 1.2 & 1.3
(You already know this!)
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Why study Biology?
If Biology is the study of life, what could you do with an education in Biology?
With your tablemate, list at least 3 world issues that can be addressed through the knowledge
of Biology. (5 min)Be ready to share
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Preserve Our Environment
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“Improve” the Food Supply
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Understand the Human Genome
•Genome – the complete set of DNA in one entire organism.
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Fighting Disease
•HIV•Cancer
•New Diseases–West Nile Virus–Mad Cow Disease
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Gene Therapy
Inserting “healthy genes” into people with genetic disorders.
–Cystic Fibrosis (CF)–Genetic, lung disorder,
–Hemophilia–Bleeder’s disease–Blood won’t clot/scab
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How do scientists uniformly study and present their findings?
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Scientific Process•How are scientific experiments conducted?
•Must be complete, detailed, and able to be replicated by other scientists.
•Science community has an accepted format.
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1. Observation
•What do you notice?–Are there patterns?–What are the conditions?–Has anyone else noticed this before?
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2. Ask Questions
● How?● Why?● How many?● How often?● What variations?● What conditions?
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3. HypothesisUsing your knowledge, develop an educated explanation of might be true.•Has to be testable.
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4. Predict
•What do you expect to happen with your experiment, assuming your hypothesis is correct?
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5. Experiment•Confirm or refute your predictions/hypothesis•Terms to know:–Control Group – receives no experimental treatment–Experimental Group –
receives some type of experimental treatment.
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5. Experiment
•Terms to know:•Independent (manipulated) Variable –what is changed in an experiment•Dependent (responding) Variable – what is measured in an experimentE.g. IV – sunlight DV – height of plant
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6. Conclusion(The Write-Up)
•Is your hypothesis supported or rejected?
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Constructing a Theory
•Related hypothesis, tested and confirmed many times by many different scientists.
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In Police work means: hypothesis/or educated guess.
In science means: “most certain”. Explains a broad range of observations. Is probably always true.
E.g.: Theory of Evolution, Big Bang Theory
The definition of THEORY
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