Chemistry STEM Activities for Kids (74 results)

An experienced chemistry professor used to say that it took about one explosion per week to maintain college students' attention in chemistry lectures. At that rate, we'd get in pretty big trouble with a lot of parents and teachers! Don't worry, we still have lots of bubbles, fizzes, bangs, and color changes for you to explore.

Filter by
Log in to add favorite
STEM Activity
Did you know that not only can solid objects sink or float, but liquids can, too? It is actually possible to stack different liquids on top of each other in layers. The key is that all the different layers must have different densities. You can stack them by either picking several liquids with a range of densities, or by varying the density of one liquid by adding chemicals like sugar or salt to it. If you choose colored liquids, or add food coloring to each layer, you can even create a whole… Read more
Log in to add favorite
STEM Activity
Baking soda is not only great for cooking; it is also a useful chemical for science projects. You have probably heard about and maybe even used the baking soda/vinegar reaction to make volcanos erupt, shoot bottle rockets up in the air, or to detect acids and bases. However, there are many more chemical reactions that you can explore with the help of baking soda. One of them is called a decomposition reaction, which makes baking soda lose weight! Want to find out how it works? Then try this… Read more
Log in to add favorite
STEM Activity
Have you ever gone to pour yourself a cup of milk, and all you get is clumps? What happened to the milk is called coagulation, which is the mechanism that occurs when proteins in the milk clump together. While you do not necessarily want this in your milk, without coagulation (or curdling), there would be no cheese or yogurt, which is why it is a very important process in the food industry. Wonder how you can make milk curdle? Do this activity to find out! Read more
Log in to add favorite
STEM Activity
Have you ever watched an old movie, or a cartoon, where a character holds a cone to their ear in order to hear what people are saying? Believe it or not, those cones (known as ear trumpets) were the very first hearing aids and were very popular for a time. Even Ludwig Van Beethoven used one! They helped people hear by acting as a sound amplifier, collecting sound waves and focusing their energy into the ear. In today’s activity you are going to make a different type of sound amplifier… Read more
Log in to add favorite
STEM Activity
Did you know that instances of miniature lightning can occur in your mouth when you bite on a hard candy? Would it not be fascinating if you could observe these light flashes? Life Savers® Wint O Green® mints might just be the tool we need to observe this science! Crush them, observe, and detect what makes the flashes visible. How many sparks can you see? Read more
Log in to add favorite
STEM Activity
It’s fall, which means flu season. We all know that washing hands a few extra times a day can help keep colds and flu at bay, so we wash hands frequently and use a paper towel…then another one, maybe even three or four to dry them off. Because who likes to go out with wet hands in cold fall weather, right? But could there be a way to conserve some of that paper, and get a paper towel to go the extra mile, allowing you to dry your hands with just one single sheet?  This… Read more
Log in to add favorite
STEM Activity
Have you ever encountered "paper" on your plate—perhaps in the form of thin paper for spring rolls, or cake decorating? Did it make you wonder how this paper relates to the paper you write on? You will find out in this activity! In addition, you can discover the recipe to make the edible paper you like best. Read more
Log in to add favorite
STEM Activity
Have you ever wondered how artists are able to replicate intricate details in nature on paper or canvas? In this activity, you will depict these details in a different way! Using Sunprint® paper and sunlight, you too can make breathtaking representations of objects found in nature. Read more
Log in to add favorite
STEM Activity
Ever wondered how the boba in bubble tea are made? Bubble tea or boba tea is a sweetened drink made of flavored tea, milk and bubbles. The translucent, squishy bubbles called boba are remarkably easy to make. You only need three ingredients: tapioca flour, water, and brown sugar. The skill lays in one little detail: the temperature of the water used. Curious? Try it out and make bubble tea from scratch! Read more
Log in to add favorite
STEM Activity
You probably know that some liquids, such as oil and water, do not mix together. If you pour them into the same container, they will form two separate liquid layers on top of each other. Other liquids, for example rubbing alcohol and water, can be mixed with each other. But did you know that once both of these liquids have mixed, you can separate them again into two different layers? How can you do that? The answer might surprise you: with salt! In this activity, you will find out how this… Read more
< 1 2 3 4 5 ... 8 >
Free science fair projects.