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Melts in Your Bag, Not in Your Hand


Source Institutions

    NOAA

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Melts in Your Bag, Not in Your Hand

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation. Learners compare the melting rate between chocolate left in the sunshine and chocolate left in the shade outside for twenty minutes on a hot sunny day. Use this demonstration to introduce learners to solar radiation as well as the importance of summer safety and sun protection. Although this works best on a hot sunny day, this activity can be adapted for indoor use.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 6 - 14

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

Language:
English

Materials List (per group of students)


  • Two (2) small pieces of chocolate
  • Two (2) small resealable snack bags
  • Marker to label bags

Subjects


  • Earth and Space Science
    • Earth Processes
      • Weather and Climate
    • Solar System
      • The Sun
  • Life Sciences
    • Human Body
      • Muscles and Skin
      • Health and Nutrition
  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
      • Heat Transfer
    • Energy
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
      • Formulating Explanations

Informal Categories


  • Outdoor Activity
  • Food and Cooking
  • Nature and Environment

Audience


To use this activity, learners need to:

  • see
  • be mobile
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

Rights:

  • All Rights Reserved, National Weather Service,

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