Clear Slime Polymer

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In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids. Extensions for this activity include challenging learners to modify the slime recipe and applying marketing strategies to "sell" their new product. [Activity is publicly available through a web crawler capture on]

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

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

Age Range:
Ages 11 - 18

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per group of students)

  • 2.46g sodium borate or 1 tsp. Borax
  • 0 .63 g guar gum (1/4 tsp.)
  • 200 mL water (5/6 cup)
  • 100 mL graduated cylinder or a measuring cup
  • 2 - 250 mL beakers or 9 oz plastic cups
  • 2 stirring rods or spoons
  • balance
  • paper towels
  • food coloring
  • 4-5 zip-lock bags


  • Physical Sciences
    • Chemistry
      • Chemical Bonding
      • Chemical Reactions
      • Solutions
    • States of Matter
      • Solids
      • Liquids
    • Structure and Properties of Matter
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations
  • The Nature of Technology
    • The Design Process
      • Invention and Innovation

Informal Categories

  • Toys


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access with registration