A Scientific Investigation – What types of food contain starch and protein?

Students learn about scientific investigation by carrying out key components of the scientific method, including developing experimental methods, generating hypotheses, designing and carrying out experiments to test these hypotheses and, if appropriate, using experimental results to revise the hypotheses. Students design and carry out two experiments that test whether starch and protein are found in some or all foods derived from animals or plants or both. 

Download Student Handout: PDF format or Word format

Download Teacher Preparation Notes: PDF format or Word format

We invite comments on this hands-on activity, including suggestions for other teachers who are planning to use the activity and any questions you have. If you would prefer to send your comments or questions in a private message, please write Ingrid Waldron at iwaldron@sas.upenn.edu 

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2013 revision

This activity has been renamed "A Scientific Investigation – What types of food contain starch and protein?" to clarify the purpose of this activity, which is designed to enhance student understanding of the scientific method. Students carry out key components of a scientific investigation, including developing experimental methods, generating hypotheses, designing and carrying out experiments to test these hypotheses and, if appropriate, using experimental results to revise the hypotheses. The questions and logic have been clarified in the revised Student Handout. Additional suggestions for class discussion and links to other resources for teaching about the scientific method have been included in the revised Teacher Preparation Notes.

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