Weightless Water

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In this physics activity (page 5 of the PDF), learners will witness the effects of free fall by observing falling water, and will gain a better understanding of the concept of weightlessness. Although this activity was created as a post-visit for a workshop about astronomy, it also makes an excellent stand alone activity!

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 11 - 18

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per student)

  • Pop can
  • Screwdriver or tool to make a hole
  • String
  • Water


  • Earth and Space Science
  • Physical Sciences
    • Motion and Forces
      • Gravity
      • Acceleration


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:

This resource is part of:

Access Rights:

  • Free access


Source Collection

  • Student Workshops


  • All rights reserved, COSI Columbus, 2009