Make Your Own Pendulum

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In this demonstration about force and motion, learners will explore the forces that affect a pendulum A simple model pendulum comprised of a ball and string demonstrates how pendulums work as well as why the pendulum wouldn’t work on the equator

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 4 - 11

Resource Types:
Activity, Demonstration


Materials List (per student)

  • Tennis Ball on a String
  • Silver Ball (Optional)


  • Earth and Space Science
    • Earth, Moon and Sun
      • Days
  • Physical Sciences
    • Motion and Forces
      • Gravity
      • Momentum and Velocity
      • Newton's Laws
      • Rotation Motion


To use this activity, learners need to:

  • see

Learning styles supported:

  • Involves hands-on or lab activities


Includes alignment to state and/or national standards:

Access Rights:

  • Free access



  • All rights reserved, COSI Columbus, 2009