Experimenting with Naked Eggs

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In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes. This is a great activity to easily show the qualities of different solutions and their effect on cell membranes. Can the effects be reversed? Try it and find out! Activity also contains a recipe for 'naked eggs.'

Quick Guide

Preparation Time:
4 to 24 hours

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 11 - 18

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per student)

  • At least 2 naked eggs
  • Containers large enough to hold a single egg and some liquid (coffee mugs or tumblers work fine)
  • Corn syrup
  • Water
  • A big spoon


  • Life Sciences
    • Cells
      • Cell Structure and Function
  • Physical Sciences
    • Chemistry
      • Solutions

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access



Funding Source:

  • National Science Foundation, Grant No. ESI-0104724