Oobleck Goop

Oobleck is a fascinating substance that defies the usual properties of liquids and solids, providing endless fun for kids. Children love the unique texture and the ability to transform it with their hands!

STEMCreative
AgeAges 3โ€“10
Duration20 min
DifficultyEasy
CostLow
LocationIndoor

Educational Value

Introduces basic scientific principles of states of matter and the unique properties of non-Newtonian fluids.

Materials Needed

Prep progress

Step-by-Step Instructions

  1. 1

    In a mixing bowl, combine 1 cup of cornstarch with 1/2 cup of water.

  2. 2

    Stir the mixture until it is well combined; it should feel both liquid and solid.

  3. 3

    If desired, add a few drops of food coloring to make it more visually appealing.

  4. 4

    Pour the Oobleck onto a tray or large surface for play.

  5. 5

    Encourage your child to touch it and observe how it behaves โ€” it should ooze like a liquid but feel solid when pressed.

  6. 6

    Challenge them to create shapes or try to pick it up quickly.

  7. 7

    Discuss how Oobleck is a non-Newtonian fluid and what that means.

  8. 8

    Enjoy the sensory experience and clean up afterward with warm, soapy water.

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Frequently Asked Questions

What materials do I need for Oobleck Goop?
You'll need: 1 cup cornstarch, 1/2 cup water, Food coloring (optional), Mixing bowl, Tray or large surface. Most items are common household supplies.
What age is Oobleck Goop best for?
This activity is designed for children ages 3 to 10. Difficulty level: easy. You can adapt the steps for younger or older kids.
How long does Oobleck Goop take?
Plan for about 20 minutes. Most families complete it in one sitting.
Is Oobleck Goop an indoor or outdoor activity?
This is an indoor activity. All you need is a clear table or floor space.
What will my child learn from Oobleck Goop?
Introduces basic scientific principles of states of matter and the unique properties of non-Newtonian fluids.

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