Energetic Water

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In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall. Learners also discover that although they can't see molecules with their eyes, they can demonstrate that molecules are always moving. [Activity is publicly available through a web crawler capture on Archive.org.]

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 4 - 11

Resource Types:
Activity, Experiment/Lab Activity, Lesson/Lesson Plan


Materials List (per student)

  • 1 bottle of red food dye
  • 1 bottle of blue food dye
  • 1 bottle of yellow food dye
  • room temperature water
  • cold water
  • hot water
  • 1 hot plate
  • 1 saucepan
  • 1 large plastic container
  • 2 glass beakers
  • 1 small glass bottle
  • 1 ice cube tray


  • Earth and Space Science
    • Earth Structure
      • Oceans and Water
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
      • Heat Transfer
    • States of Matter
      • Liquids
    • Structure and Properties of Matter
      • Volume and Density
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations


To use this activity, learners need to:

  • see
  • see color

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access


  • Mission Science Workshop


  • All rights reserved, Mission Science Workshop, 2013

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