Egg Bungee

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Learners attach an egg to a rubber-band bungee cord and drop the egg. By performing a few test drops with an egg and short bungee cord, learners are able to predict how long a bungee cord they should build for a longer drop. Use this activity to explain gravitational potential energy, kinetic energy, and elastic potential energy as well as demonstrate the Law of Conservation of Energy.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 8 - 18

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per student)

  • Yardstick, meter stick or measuring tape
  • Egg
  • Rubber bands
  • Plastic bag
  • Tape
  • Chart (PDF)
  • Pen


  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
    • Measurement
  • Physical Sciences
    • Energy
      • Potential and Kinetic Energy
    • Motion and Forces
      • Gravity
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Gathering Data


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