Experiment with Fat

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In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods. They will discover a simple way to test whether a food has a lot of fat in it or not. This activity involves making predictions, collecting data, and qualitative assessment of the amount of fat in foods. Also included is an explanation of "invisible fat" and the differences between saturated, unsaturated, and trans-fat. This lesson plan includes questions to ask learners, online resources, and data table.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
$10 - $20 per group of students

Age Range:
Ages 8 - 11

Resource Types:
Activity, Experiment/Lab Activity, Lesson/Lesson Plan


Materials List (per group of students)

  • Apple
  • Avocado
  • Beans
  • Butter
  • Cereal
  • Cheese
  • Hard-boiled egg white
  • Lettuce
  • Potato Chips
  • Tofu
  • Cutting board
  • Knife
  • Data Table (page 3 of PDF)
  • Pencils
  • Brown paper bags
  • Markers
  • Timer(s)
  • Rulers


  • Life Sciences
    • Human Body
      • Health and Nutrition
  • Mathematics
    • Data Analysis and Probability
      • Data Collection
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Gathering Data
      • Formulating Explanations
      • Communicating Results

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Children's Museum of Houston,