Egg Drop

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Perform this classic inertia demonstration to illustrate the transfer of potential energy to kinetic energy. Eggs are placed in cardboard tubes on a thick piece of cardboard, suspended above cups of water. When the cardboard piece is knocked out of the way, the eggs fall down into the cups of water.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
Under 5 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 6 - 18

Resource Types:
Activity, Demonstration


Materials List (per group of students)

  • Four eggs
  • Four paper-towel or toilet-paper tubes
  • Four plastic cups
  • Thick piece of cardboard
  • Broom
  • Water
  • Sheets or towels (optional)


  • Physical Sciences
    • Energy
      • Potential and Kinetic Energy
    • Motion and Forces
      • Gravity
      • Newton's Laws

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access