Middle School Science Experiments (2024)

Science Buddies' middle school science projects are the perfect way for middle school students to have fun exploring science, technology, engineering, and math (STEM). Our middle school projects are written and tested by scientists and are specifically created for use by students in the middle school grades. Students can choose to follow the science experiment as written or put their own spin on the project.

For a personalized list of science projects, middle schoolers can use the Science Buddies Topic Selection Wizard. The wizard asks students to respond to a series of simple statements and then uses their answers to recommend age-appropriate projects that fit their interests.

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Rubber Band Car Challenge

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Science Fair Project Idea

In this engineering challenge, you will build a car powered by nothing but a rubber band. The farther the car goes, and the fewer materials you use to build it, the higher your score. Enter your score in the 2024 Science Buddies Engineering Challenge for a chance to win prizes! Teachers, lesson plan versions of this challenge are also available. Read more

Middle School Science Experiments (4)

Build a Paper Roller Coaster

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STEM Activity

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Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in this project you'll make one out of paper and tape, and learn about roller coaster physics along the way! Read more

Middle School Science Experiments (6)

What Makes Ice Melt Fastest?

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Science Fair Project Idea

If you live in a place that gets cold in the winter, you have probably seen trucks out spreading a mixture of sand and salt on the streets after a snowfall to help de-ice the road. Have you ever wondered how this works? This basic chemistry project can give you some clues. Read more

Middle School Science Experiments (8)

Balloon-Powered Car Challenge

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Science Fair Project Idea

Do you think you could build a car powered by nothing but air? A balloon-powered car is pushed forward by air escaping from a balloon, and it is fun and easy to build with materials you already have around your house. Can you imagine how you would want your own balloon-powered car to look? Can you design a car that will travel as far as possible? You can even measure your car's speed using your smartphone and a special sensor app. Get ready to grab some simple supplies to bring your idea to… Read more

Middle School Science Experiments (10)

Make Ice Cream in a Bag

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STEM Activity

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Have you ever made ice cream? It can be a lot of fun, and you end up with a tasty frozen treat! There is actually a lot of interesting chemistry that goes on behind making ice cream. For example, think about how you start out with refrigerated (or room-temperature) ingredients and then need to cool them down to turn them turn into ice cream. How do the ingredients change during this process? How important do you think it is that they are cooled to a certain temperature? In this science… Read more

Middle School Science Experiments (12)

Build a Balloon Car

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STEM Activity

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Build a balloon-powered car from recycled materials in this fun activity. You can even grab a friend, build two cars, and race them against each other! Read more

Middle School Science Experiments (14)

Build a Floating Maglev Train

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Science Fair Project Idea

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

Middle School Science Experiments (16)

Build a Simple Electric Motor!

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Middle School Science Experiments (17)

Science Fair Project Idea

When you think of a motor, you may immediately think of a car, but you actually encounter other motors in your home every day. That's right, if you put on clean clothes from the washing machine, ate food from the fridge, or used a fan, you used an electric motor. In this electronics science project, you will make a simple electric motor with two magnets that "talk" to each other. As they interact, they will alternate between "liking" each other (pulling together), and "disliking" each other… Read more

Middle School Science Experiments (19)

How to Turn a Potato Into a Battery

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Middle School Science Experiments (20)

Science Fair Project Idea

Imagine telling your friends about your latest science project: using a battery to make a light turn on. You might get some blank stares...sounds a little boring and basic, right? Now tell them you will do it with a potato! Yes, you can actually use fruits and vegetables as part of an electric power source! Batteries power many things around you, including cell phones, wireless video game controllers, and smoke detectors. In this science project, you will learn about the basics of battery… Read more

Middle School Science Experiments (22)

Make a Lemon Volcano

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STEM Activity

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Make a colorful erupting volcano in your kitchen with lemons and baking soda! Read more

Middle School Science Experiments (24)

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Middle School Science Experiments (25)

Make a Homemade Fly Trap

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A Candle Seesaw – STEM activity

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Shrink a Potato with Osmosis – STEM activity

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Middle School Science Experiments (2024)
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