High School Science Experiments (Page 3)

Build a Floating Maglev Train

Science Fair Project Idea

Scientific Method

How can you make a train without wheels? By using magnets! In this project you will build a magnetic levitation ("maglev" for short) train that floats above a magnetic track. How much weight can you add to the train before it sinks down and touches the track? Read more

Baking Soda and Vinegar Rockets

Science Fair Project Idea

Scientific Method

Watching a spacecraft launch is an amazing experience. It is thrilling to see it lift off and escape Earth's gravity. Did you know that it takes a chemical reaction to get a spacecraft into space? Every time you see a one blast off, you are watching chemistry at work. In this chemistry science fair project, you will also get to blast an object into the air. You will not be using the same fuel that NASA uses for the rockets that launch their spacecrafts; instead, you will use two simple… Read more

Build a Popsicle Stick Catapult

STEM Activity

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Catapults were mighty handy for pirates in the golden age of piracy (during the 17th century). And medieval knights used them centuries earlier for taking down massive castle walls. Even Greeks and Romans used catapults about 2,000 years ago! These simple machines are quite handy, as long as you know how to aim them! In this science activity you will try your hand at catapult technology. Can you predict where your cotton ball will land? Read more

How Far Will It Fly? Build & Test Paper Planes with Different Drag

Science Fair Project Idea

Scientific Method

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… Read more

19 Fall Science Projects

Blog Post

Pair changing leaves and temperatures, apple season, pumpkins, Thanksgiving, and fall festivities with these free lessons and activities for enriching hands-on STEM. STEM Activities to Bring Autumn Themes to Science Class 1. Invisible Ink with Turmeric The same turmeric you might have out for Autumn cooking or as a seasoning at Thanksgiving, can be used as a revealing agent in the Secret Messages With Invisible Ink! chemistry activity. Write… Read more

Chemistry of Ice-Cream Making: Lowering the Freezing Point of Water

Science Fair Project Idea

Scientific Method

Have you ever made your own ice cream? If you have, you probably know that you need to get the ice cream mixture really cold to freeze it quickly. Ice cubes alone will not do the job, but if you add chemicals, such as salt or sugar, to the ice cubes that surround the ice cream container, the mixture gets cold enough to freeze. Why does that work? How does adding salt or sugar affect the freezing point of water? Find out with this ice-cold science project and use your results to make your own… Read more

Build the Best Paper Bridge

STEM Activity

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Bridges come in all shapes, sizes, and materials. What makes a bridge the strongest? Find out in this fun activity as you build simple bridges with paper and test to see how much weight they can hold. Read more

Crime Scene Chemistry—The Cool Blue Light of Luminol

Science Fair Project Idea

Scientific Method

You may have seen police investigators on TV spraying a crime scene with a liquid that glows blue if there is any blood present. Luminol is the chemical which causes the glowing. In this chemistry science fair project, you will investigate what factors make this interesting molecule "light up." Read more

Turn Milk into Plastic

STEM Activity

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Have you ever heard that plastic can be made out of milk? If this sounds like something made-up to you, you may be surprised to learn that from the early 1900s until about 1945, milk was commonly used to make many different plastic ornaments, including buttons, decorative buckles, beads and other jewelry, fountain pens, the backings for hand-held mirrors, and fancy comb and brush sets. Milk plastic (usually called casein plastic) was even used to make jewelry for Queen Mary of England! In… Read more

14 Paper STEM Activities

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 one of these paper-based STEM activities! STEM 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… Read more

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