Color Mixing

Project 18 out of 20

Mix up the colors and the pH of solutions and make some cool art in the process!

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Can you determine which substance is the alkali and which is the acid? In this Color Mixing experiment, you’ll dive further into pH and make some cool art in the process. First, gather all your materials from your Creation Crate kit and then follow along with the step-by-step instructions from the Online Classroom to start creating your chemical art. Watch as the thymol blue changes colors depending on the pH level of the substance you add to it. Some substances will add ions to your solution while others will remove them and the result is an array of cool colors that indicate if the substance is basic or acidic. Learn about how pH levels in substances affect living things and their environments.

Milestones Unlocked

Acidic vs. Alkaline Substances

The pH Scale & Indicators

Predicting Chemical Reactions

Course Progression

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Lesson Preview

You may have heard of pH levels in the context of swimming pools or stomach acid. Maintaining the right level is super important—but why? Learn all about acids, alkalis, and the pH scale with the fascinating, colorful experiments in this lesson. Understand why some substances don’t affect the pH level of a solution at all, while others have a big influence. You’ll also use your knowledge and skills that you’ve learned throughout the course to be able to predict how chemicals will interact with each other.

    Chemistry Course


    20 Experiments


    Ages 10+


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