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LEGO® Chemical Reactions

Source Institutions

    Massachusetts Institute of Technology

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LEGO® Chemical Reactions

This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes). There is a "wet lab" chemistry experiment (mixing baking soda and calcium chloride with phenol red indicator), followed by a "LEGO lab" modeling phase that includes writing formulas using chemical notation. This lesson is also offered as a 2.5 hour field trip lesson at the MIT Edgerton Center.

Quick Guide

Preparation Time:
10 to 30 minutes

Learning Time:
2 to 4 hours

Estimated Materials Cost:
Over $20 per group of students

Age Range:
Ages 11 - adult

Resource Types:
Activity, Experiment/Lab Activity, Field Trip, Lesson/Lesson Plan, Model


Materials List (per group of students)


  • Physical Sciences
    • Heat and Thermodynamics
      • Heat and Temperature
    • Chemistry
      • Chemical Bonding
      • Chemical Reactions
      • Acids and Bases
    • States of Matter
      • Solids
      • Liquids
      • Gases
      • Changes of Phase
    • Structure and Properties of Matter
      • Atomic Structure
      • Elements and Periodic Table
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations
      • Gathering Data
      • Formulating Explanations
      • Communicating Results

Informal Categories

  • Model Building
  • Toys


To use this activity, learners need to:

  • see
  • see color
  • read
  • smell
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities


Components that are part of this resource:

Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access


  • Vandiver, Ph.D., Kathleen M.


  • All Rights Reserved, MIT Edgerton Center, ©2009

Funding Source:

  • MIT Edgerton Center


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