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Temperature Affects Dissolving


Source Institutions

    American Chemical Society

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Temperature Affects Dissolving

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.

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

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

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