the scientific method of lab investigation food science
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The Scientific Method of Lab Investigation
Food Science
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What is Science?
This vast body of changing and increasing knowledge is described by physical,
mathematical and conceptual models
as well as the knowledge generated
through this process
The use of evidence to
construct testable explanations and
predictions of natural
phenomena
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The Scientific MethodA system of steps used to investigate, answer questions and solve problems
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Scientific Method Steps
1. Question
2. Hypothesis
3. Experiment
4. Analyze Data
5. Conclusions
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Step 1 – Question• Identify the problem
• State it clearly as a question
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Step 2 - Hypothesis• Predict a possible answer
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Step 3 - Experiment• Test the hypothesis
• Develop and follow a procedure
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Analyze Data• Evaluate the information
• Include charts, diagrams or graphs
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Step 5 - Conclusions• Report your results
• Share with your classmates
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The Scientific Method: Steps, Terms and Examples
11
(click on image for video)
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Organizing DataCharts, Diagrams and Graphs
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Charts• Used to:
detail steps in a procedure list explanation of terms show rank order
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Diagrams• Used to show:
comparisons deductive reasoning relationships
14
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Graphs• Used to show:
relationship of a variable to one or more other variables
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Questions?
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References and ResourcesImages:• Shutterstock™ images. Photos obtained with subscription. (Slides 1, 4, 5, 6, 7, 8, 9, 10,
11, 15)
Textbook(s):• Mehas, K. Y., & Rodgers, S. L. (2002). Food science: The biochemistry of food and
nutrition. New York, NY: Glencoe/McGraw-Hill.• Ward, J. D., & Ward, L. T. (2013). Principles of food science. Tinley Park, IL: Goodheart-
Willcox Company.
YouTube™:• Science Style (Gangnam Style Parody/Piggyback)
Piggyback song to teach the scientific method using "Gangnam Style" by PSY.
http://youtu.be/MyFi6BQfDik• The Scientific Method: Steps, Terms and Examples
In order to gain knowledge about the world however the steps involved in the
scientific method vary widely among the different scientific disciplines
http://youtu.be/BVfI1wat2y8
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