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STEM Activity
473 reviews
Have you ever seen a lava lamp? They were the height of 1960's "groovy" room decorations. A few minutes after turning it on, a lava lamp has blobs of colored liquid floating towards the top of the lamp and then drifting back down. Making an actual lava lamp that you plug in would require some effort and unusual supplies, but you can create a non-electric version in just a few minutes with the help of the fizzing power of Alka-Seltzer. In this activity you can find out how to make your own…
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STEM Activity
222 reviews
Blast off! Have you ever played with a model or toy rocket, or seen a real rocket launch on TV? In this project you will make simple rockets out of paper and launch them by blowing into a drinking straw. Can you make the rocket that flies the farthest?
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Do you filter your tap water before drinking? Many commercials claim these filters make your drinking water cleaner and safer. But what, exactly, are these filters doing and is the water really cleaner afterwards? The cleaning power comes from their filling material, called activated carbon. It exists in all kind of forms: powder, granules, foams, and blocks. Do you think it matters what type of activated carbon is inside the filter? In this activity you will investigate whether larger or…
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Blog Post
Use these free lesson plans and hands-on activities to explore potential and kinetic energy with students!
What happens when you stretch a rubber band and let it go? Why? Explaining how energy is stored and transferred and how that relates to the movement and momentum of objects in motion involves understanding potential and kinetic energy. This is an area of science where getting hands-on with the storage, transfer, and release of energy really helps…
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Have you ever had a refreshing bath using a bath bomb? A bath bomb is several ingredients mixed and molded into a shape, which becomes fizzy when it touches the water. It can be quite a relaxing experience, especially if your bath bomb has a nice fragrance or includes some bath salts. The fizz is the result of a chemical reaction taking place between different ingredients within the bath bomb. In this science project, you will get to make your own homemade bath bombs and explore how changing…
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Blog Post
Use these free chemistry lesson plans, experiments, and activities to teach and explore chemical reactions with K-12 students.
A chemical reaction occurs when two or more substances (reactants) are mixed together and result in one or more new substances (products). When teaching about chemical reactions, educators show chemical reactions in action and, when possible, let students get hands-on exploring reactions. With classroom science experiments,…
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Just one sheet of paper can lead to a whole lot of fun. How? Paper planes! All you have to know is how to fold and you can have a simple plane in a matter of minutes! But what design should you use to build the best plane? In this aerodynamics science project, you will change the basic design of a paper plane and see how this affects its flight. Specifically, you will increase how much drag the plane experiences and see if this changes how far the paper plane flies. There is a lot of cool…
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Blog Post
Looking for last-minute STEM ideas for the end of the year, for after testing, for a classroom warmup, or for a rainy day at home? Try these paper-based STEM activities!
Science Activities that Use Paper!
Doing science and engineering activities doesn't have to require lots of materials. If you are looking for something to do with students in the classroom or with kids at home, an engaging STEM learning experience might be just a stack of paper…
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The makers of sports drinks spend tens to hundreds of millions of dollars advertising their products each year. Among the benefits often featured in these ads are the beverages' high level of electrolytes, which your body loses as you sweat. In this science project, you will compare the amount of electrolytes in a sports drink with those in orange juice to find out which has more electrolytes to replenish the ones you lose as you work out or play sports. When you are finished, you might even…
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STEM Activity
285 reviews
With a few simple ingredients, you can create a "fire snake" that appears to grow out of nowhere in this fun experiment! Although it looks magical, no magic is involved—it is all because of a chemical reaction. Try it to find out how it works!
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