Salt Crystal Garden

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In this activity, learners will explore saturated solutions and discover how crystals form. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked. This activity requires hot water and a wait time of at least 3 hours.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 4 - 14

Resource Type:


Materials List (per student)

  • Glass Cup, Jar, or Bow,
  • Epsom Salt
  • Hot Water
  • Spoon
  • Food Coloring (optional)


  • Physical Sciences
    • Heat and Thermodynamics
    • Chemistry
    • States of Matter
    • Structure and Properties of Matter

Informal Categories

  • Nature and Environment


This resource is part of:

Access Rights:

  • Free access



  • All rights reserved, Children's Science Center, 2021