User login


Source Institutions


Add to listGo to activity

In this "Sid the Science Kid" activity, learners make applesauce to explore irreversible change. Learners compare and contrast apples that have been changed by heat with apples that haven't been changed. This activity includes a "Sid the Science Kid" video showing how to conduct the investigation. Safety note: adult supervision required.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

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

Age Range:
Ages 4 - 6

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


Materials List (per group of students)

  • 8 apples, peeled and cut into chunks. (Double this amount and the amount of water and sugar if you are cooking for a lot of learners.)
  • 1/2 c. water
  • measuring cups and spoons (for water, sugar, and cinnamon)
  • 1/2 c. sugar (optional)
  • cinnamon (also optional)
  • heat source-stove or slow cooker
  • two bowls
  • wooden spoon and/or potato masher


  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
    • States of Matter
      • Changes of Phase
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations
      • Gathering Data
      • Formulating Explanations
      • Communicating Results

Informal Categories

  • Food and Cooking


To use this activity, learners need to:

  • see
  • taste
  • touch

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities
  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, The Jim Henson Company, ©2008

Funding Sources:

  • Corporation for Public Broadcasting
  • Vinci
  • MetLife
  • The RoseHills Foundation
  • S.D. Bechtel, Jr. Foundation
  • John W. Carson Foundation
  • The Arthur Vining Davis Foundations