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Balloon Inside a Bottle

Source Institutions

    Colorado State University

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Balloon Inside a Bottle

In this activity about phase change and condensation, learners boil water in an empty pop bottle in the microwave. Then, learners stretch a balloon over the mouth of the bottle and will be surprised to observe as the balloon gets sucked into the bottle. Note: this activity requires adult supervision. [Activity is publicly available through a web crawler capture on]

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
Under 5 minutes

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

Age Range:
Ages 8 - 14

Resource Types:
Activity, Demonstration


Materials List (per group of students)

  • One small party balloon
  • One small bottle. A 16 ounce pop bottle works well.
  • 1 tablespoon of water
  • Microwave
  • Oven mitt


  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
      • Thermodynamics and Entropy
    • States of Matter
      • Liquids
      • Gases
      • Changes of Phase
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Access Rights:

  • Free access



  • All Rights Reserved, Little Shop of Physics, ©2009


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