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 3 Copyright © Texas Education Agency, All rights reserved.

The Scientific Method A system of steps used to investigate, answer questions and solve problems 4 Copyright © Texas Education Agency, All rights reserved.

Scientific Method Steps 1. Question 2. Hypothesis 3. Experiment 4. Analyze Data 5. Conclusions 5 Copyright © Texas Education Agency, All rights reserved.

Step 1 – Question Identify the problem State it clearly as a question 6 Copyright © Texas Education Agency, All rights reserved.

Step 2 - Hypothesis Predict a possible answer 7 Copyright © Texas Education Agency, All rights reserved.

Step 3 - Experiment Test the hypothesis Develop and follow a procedure 8 Copyright © Texas Education Agency, All rights reserved.

Analyze Data Evaluate the information Include charts, diagrams or graphs 9 Copyright © Texas Education Agency, All rights reserved.

Step 5 - Conclusions Report your results Share with your classmates 10 Copyright © Texas Education Agency, All rights reserved.

The Scientific Method: Steps, Terms and Examples 11 (click on image for video) Copyright © Texas Education Agency, All rights reserved.

Organizing Data Charts, Diagrams and Graphs 12 Copyright © Texas Education Agency, All rights reserved.

Charts Used to:  detail steps in a procedure  list explanation of terms  show rank order 13 Copyright © Texas Education Agency, All rights reserved.

Diagrams Used to show:  comparisons  deductive reasoning  relationships 14 Copyright © Texas Education Agency, All rights reserved.

Graphs Used to show:  relationship of a variable to one or more other variables 15 Copyright © Texas Education Agency, All rights reserved.

Questions? 16 Copyright © Texas Education Agency, All rights reserved.

References and Resources Images: 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. 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 17 Copyright © Texas Education Agency, All rights reserved.