Do Sweat It!

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In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water. This simulation demonstrates how water in sweat protects people on hot days and reinforces the importance of hydration. The webpage includes a fun how-to video for learners and educators. This activity involves fire and requires adult supervision.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

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

Age Range:
Ages 6 - 14

Resource Types:
Activity, Demonstration, Simulation


Materials List (per group of students)

  • 2 12″ balloons
  • Water
  • Candle
  • Matches


  • Life Sciences
    • Human Body
      • Muscles and Skin
      • Health and Nutrition
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
      • Heat Transfer

Informal Categories

  • Sports and Exercise


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Uses STEM to solve real-world problems
  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Children's Museum of Houston, 2010

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