Tuesday, December 5, 2023

How To Make Cornstarch Chunks


Are you looking for a creative and entertaining activity that’s not only fun but also educational? This simple yet captivating DIY project is perfect for both kids and adults, offering a hands-on experience with science and creativity. In this article, we’ll guide you through the step-by-step process of creating cornstarch chunks, along with some helpful tips to ensure your success.

Understanding Cornstarch Chunks

Cornstarch chunks, also known as oobleck, are a non-Newtonian fluid that behaves like a solid when pressure is applied, but turns into a liquid when left alone. This unique property makes it an excellent material for hands-on science experiments and sensory play. The process of making cornstarch chunks involves just a few common ingredients and is a fantastic way to engage in some hands-on learning.


Ingredients You’ll Need

To create your own cornstarch chunks, you’ll only need a few simple ingredients that you probably already have in your kitchen:

Cornstarch: About 2 cups will suffice for a small batch.
Water: Approximately 1 cup of water at room temperature.
Food Coloring (optional): Add a few drops to make your cornstarch chunks visually appealing.

Step-by-Step Guide

Follow these steps to craft your cornstarch chunks:

Step 1: Prepare the Workspace
Cover your workspace with a plastic tablecloth or old newspapers to make cleanup easier. Cornstarch can be quite messy, so this precaution will save you a lot of hassle.

Step 2: Mixing the Ingredients
In a large mixing bowl combine cornstarch and water. Stir thoroughly until the mixture is smooth and well-combined. If you’re using food coloring, add a few drops now and continue stirring until the color is evenly distributed.

Step 3: Observe the Texture
As you stir, you’ll notice that the mixture becomes thicker and harder to stir. This is the moment when you’re witnessing the unique behavior of cornstarch chunks. It acts like a solid when pressure is applied but feels like a liquid when you let it rest.

Step 4: Play and Experiment
Now comes the fun part! Dip your hands into the mixture and try picking up a handful. Squeeze it tightly and then release your grip. Notice how it becomes firm when pressure is applied and then relaxes back into a liquid-like state. You can roll it into a ball, let it ooze through your fingers, or even try to mold it into shapes.

Step 5: Adjusting Consistency
Depending on the desired consistency of your cornstarch chunks, you can adjust the amount of water or cornstarch. If the mixture feels too watery, add a bit more cornstarch. Add a little water, If it is too thick. Keep experimenting until you achieve the texture you like.

Step 6: Cleaning Up
When you’re done playing with your cornstarch chunks, dispose of them in the trash. Avoid pouring large quantities down the drain, as it can clog your pipes over time. Wash your hands and any utensils used thoroughly with water to remove any remaining cornstarch.

Tips for Success

  • Start with the recommended quantities of cornstarch and water, but don’t hesitate to adjust to achieve the desired consistency.
  • Experiment with different colors by using various food coloring shades.
  • Engage your creativity by trying to shape the chunks into different forms or patterns.
  • Consider using different utensils like spoons or cups to interact with the mixture in diverse ways.


Creating cornstarch chunks is a delightful and educational activity that captivates people of all ages. With just a few basic ingredients and a willingness to get a little messy, you can explore the fascinating world of non-Newtonian fluids and enjoy hours of sensory play. Whether you’re looking for an engaging science experiment or a way to unwind, making cornstarch chunks is an excellent choice that promises both fun and learning. So, gather your supplies, roll up your sleeves, and let the chunky adventure begin!

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