What's So Special about Water: Solubility and Density

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In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others. In this two part activity, learners also make predictions and create hypotheses. This lesson guide includes instructions for two mini activities, key vocabulary words, extension ideas, helpful hints, and resources.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$5 - $10 per student

Age Range:
Ages 8 - 11

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


Materials List (per student)

  • Clear jar
  • Clear glasses
  • 1/4 cup colored water
  • 1/4 cup vegetable oil
  • 1/4 cup corn syrup
  • Water
  • Sugar
  • Kool-Aid mix that needs sugar
  • Measuring cups


  • Earth and Space Science
    • Earth Structure
      • Oceans and Water
  • Physical Sciences
    • Chemistry
      • Solutions
    • States of Matter
      • Liquids
    • Structure and Properties of Matter
      • Atomic Structure
      • Volume and Density
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Formulating Explanations
      • Communicating Results

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • see color
  • taste
  • touch

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


  • Bowers, Sally


  • All rights reserved, Board of Regents of the University of Wisconsin System, 2008