Activity 5C: The ‘Eyes’ Have It: Portion Distortion Stations

After investigating seven stations, each with a different approach to helping people estimate serving sizes, students will work in groups of four to devise an inquiry investigation with a minimum of ten test subjects to test the effectiveness of one or more of the strategies provided in the station activities. They will report and analyze the data they collect.
  • Distinguish between serving size and portion size
  • Estimate serving size by comparing food to common objects
  • Determine serving size from food labels
  • Use mathematical equations to calculate area
  • Identify variables in an inquiry investigation 



serving size, portion size, food label, equation, area, variable, inquiry

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Activity Code: 
Unit Reference: 
Corpulosity: A Study of Obesity
Lesson Reference: 
Lesson 5: Fat: Out of Balance?