Making Naked Eggs: Eggs Without Shells

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This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight. The calcium carbonate of the shell reacts with the acetic acid in the vinegar to make carbon dioxide, which is visible as bubbles. The end result is a shell-less, translucent egg that is ready to be used in experiments with different solutions (such as the separate activity, "Experimenting with Naked Eggs!").

Quick Guide

Preparation Time:
1 to 7 days

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 11 - 18

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per group of students)

  • A few eggs
  • White vinegar
  • A container big enough to hold all your eggs
  • A cover for the container
  • A big spoon


  • Life Sciences
    • Cells
  • Physical Sciences
    • Chemistry
      • Acids and Bases

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access



Funding Source:

  • National Science Foundation, Grant No. ESI-0104724