Sodium Acetate Hand Warmers

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In this activity, sodium acetate hand warmers are used to introduce learners to supersaturated solutions, crystallization, and exothermic reactions. This activity guide includes background information, extension ideas, and resources. [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:
$5 - $10 per student
Age Range:
Ages 14 - 18
Resource Types:
Activity, Experiment/Lab Activity
Language:
English

Materials List (per student)

  • Sodium Acetate Hand Warmer
  • Thermometer
  • Boiling water (optional)

Keywords

Subjects

  • Mathematics
    • Measurement
      • Rate
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
      • Thermodynamics and Entropy
    • Chemistry
      • Chemical Reactions
      • Solutions
    • States of Matter
      • Solids
      • Liquids
      • Changes of Phase
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Formulating Explanations

Audience

To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

This resource is part of:

Access Rights:

  • Free access

By:

  • Johnson, Jill

Rights:

  • All rights reserved, Exploratorium, 2006