Ninth Grade, Chemistry Science Experiments (Page 17)

Staining Science: Making the Boldest, Brightest Tie-Dye!

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Have you ever wondered about the materials that your clothes are made out of? The clothes you wear are made of fibers that come from many different sources. Some fabrics are made from natural fibers, and some from manufactured or totally synthetic fibers. In this activity, you’ll explore how well different fiber types are dyed using fiber-reactive dye. Aren’t you just dye-ing to find out which fabric works best? Read more

The Business of Fizziness: Test Your Soda Fizz!

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You’ve probably seen the reaction that happens when you add Mentos candy to a diet soda. The resulting eruption is powerful enough to be dangerous, and is the source of many online videos! While many people are familiar with this reaction, few of them understand why it takes place. The Mentos + Soda reaction is not actually a chemical one, but a physical one called ‘nucleation’. In this activity we will explore nucleation in soda at a smaller scale by adding some unusual… Read more

The Science of Frescoes

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Have you ever looked at pictures of murals on buildings from hundreds of years ago and wondered how they were created? Fresco is a type of painting that has been used for thousands of years and involves painting on wet lime plaster. This activity explores one aspect of the science behind this unusual technique. See how science can help you become a more versatile artist! Read more

Diapers: What Keeps Babies and Astronauts from Springing a Leak?

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When we think about diapers we usually think about babies, because most of us wore them when we were babies and now maybe our siblings or friend’s siblings wear them. But did you know that astronauts also have to wear diapers sometimes? Astronaut diapers are called Maximum Absorbency Garments (MAGs), and astronauts wear them when they have to stay in their suits for long periods of time, such as during spacewalks, or as their ships are re-entering the atmosphere. For babies and for… Read more

Fancy Foams with Shampoo Science

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Do you like your hair shiny and beautiful? The key to keeping your hair nice and clean is to use a good shampoo. But what exactly makes a good shampoo? You might be surprised to hear that every new shampoo has to pass lots of scientific tests before it is considered good enough to be sold. Many different shampoo recipes are compared to decide which one is the best for the consumer. One of these tests assesses the foaming behavior of the shampoo. You probably trust a shampoo that makes lots of… Read more

Turn Soot into Silver

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You might have heard the saying “not everything is as it seems.” Something might look great from far away, but when you take a closer look, it might not turn out to be as beautiful as you thought! In this activity, you will create the opposite experience—you will turn a spoon blackened with soot into shiny silver. Even though it is only an illusion, you will not know it when you see it. Try it out for yourself! Read more

Ninth Grade, Chemistry Science Experiments (166 results)

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