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Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
colloidal solutions, physical properties, states of matter, Oobleck
Photo of a blue heterogeneous mixture called Oobleck

Introduction

Have you ever wondered what whipped cream, jelly, and milk have in common? Aside from all being tasty, they are also all made up of tiny particles that are dispersed, or distributed, in water. This type of mixture is called a heterogeneous mixture. Some of these have very interesting physical properties, such as acting like a solid and a liquid at the same time! In this activity, you will get to create Oobleck, a mixture that is made using cornstarch and water, and then explore these properties first-hand!

Credits

Teisha Rowland, PhD, Science Buddies
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

  • Small bowl or cup
  • Cup, mug, or drinking glass
  • Fork
  • Medicine dropper
  • Measuring spoon
  • Cornstarch
  • Water
  • Optional: food coloring or tempera paint
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Active Time
20-30 minutes
Total Project Time
20-30 minutes
Key Concepts
colloidal solutions, physical properties, states of matter, Oobleck
Free science fair projects.