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Is the Egg Raw or Cooked? That is the Question!

Active Time
20-30 minutes
Total Project Time
45 minutes to 1 hour
Key Concepts
Solid, liquid, rotation

Introduction

Have you ever found an egg in your refrigerator and wondered if it was cooked? Although eggs drastically change inside their shells when cooked, it is still remarkably difficult to distinguish a cooked egg from a raw one without cracking it open. In this activity, you will find out how physics can help you tell the difference!

Credits

Sabine De Brabandere, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • At least six chicken eggs similar in size and color
  • Sauce pan
  • Stove (Use caution and ask an adult to help you use the stove and handle hot items in this activity.)
  • Water
  • Timer
  • Slotted spoon
  • Pencil
  • Two small plates
  • Sheet of paper
    Materials needed for a STEM activity where you explore how to tell the difference between a cooked and a raw egg.

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Active Time
20-30 minutes
Total Project Time
45 minutes to 1 hour
Key Concepts
Solid, liquid, rotation