Chocolate Lava

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In this yummy earth science activity (page 5 of the PDF), learners use fudge to learn about different kinds of lava. Cooking and cooling the fudge in different ways simulate the formation of two different kinds of lava: pahoehoe and aa lava. Although this was designed as a pre-visit activity for a workshop about Earth processes, it also makes an excellent stand-alone activity.

Quick Guide

Preparation Time:
10 to 30 minutes

Learning Time:
30 to 45 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 11 - 18

Resource Types:
Activity, Experiment/Lab Activity, Model, Simulation


Materials List (per group of students)

  • Chocolate fudge mix and ingredients listed on box.
  • Saucepan
  • 2 baking dishes


  • Earth and Space Science
    • Earth Processes
      • Volcanoes and Plate Tectonics

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • taste

Learning styles supported:

  • Involves hands-on or lab activities


Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access


Source Collection

  • Student Workshops


  • All rights reserved, COSI Columbus, 2009