Temperature Affects Dissolving

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Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended. [Activity is publicly available through a web crawler capture on Archive.org. Activity write-up only, images are unavailable.]

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
10 to 30 minutes
Estimated Materials Cost:
$1 - $5 per group of students
Age Range:
Ages 6 - 14
Resource Types:
Activity, Experiment/Lab Activity
Language:
English

Materials List (per group of students)

  • Hot water
  • Cold water
  • Powdered cocoa mix
  • 2 Clear plastic cups
  • 2 Popsicle sticks or stirrers
  • Small-volume measures like 1/4 cup and 1 teaspoon
  • Student Activity Sheet

Keywords

Subjects

  • Mathematics
    • Measurement
      • Units of Measurement
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
    • Chemistry
      • Solutions
    • States of Matter
      • Solids
      • Liquids
  • The Nature of Science
    • The Scientific Process
      • About Inquiry
      • Asking Questions
      • Conducting Investigations

Informal Categories

  • Food and Cooking

Audience

To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other

Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access

By:

  • Kessler, James H. ; Galvan, Patricia M.

Rights:

  • All rights reserved, American Chemical Society, 2007