All STEM Activities

How to Make Slime

Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Chemical reactions, material properties

Introduction

It's gooey. It's sticky. It's slime! Learn to make your own homemade slime with this quick and easy recipe.

Credits

Ben Finio, PhD, Science Buddies

Thanks to the members of the Science Education Council at PPG Industries, for testing, feedback, and advice on this science activity. Read more about how PPG's scientists partner with Science Buddies to make great activities.

This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Washable PVA school glue (like Elmer's®)
  • Water
  • Baking soda
  • Contact lens solution (must contain both boric acid and sodium borate in ingredients)
  • Food coloring (optional)
  • Measuring spoons
  • Measuring cup
  • Mixing bowl
  • Spatula
  • Resealable plastic bags or food storage containers
    The materials required to make slime.

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Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Chemical reactions, material properties