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Middle School Projects, Lessons, Activities (1,335 results)

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Proving Charles' Law: Volume vs. Temperature of a Gas at Constant Pressure
Science Fair Project Idea
Scientific Method
This is a modern version of a classic experiment by Jacques Charles on the volume of a gas at different temperatures. Charles discovered the relationship between volume and temperature of gases that now bears his name. This project shows you a simple method for re-creating this famous experiment. Read more
Push Harder — Newton's Second Law
Lesson Plan Grade: 6th-8th
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4 reviews
Don't just teach your students about Newton's laws of motion using diagrams in a textbook—try something hands-on! In this project, students will build their own cars using craft materials and explore the relationship between force, mass, and acceleration. Students can graph data and make observations in real-time using a mobile phone and a sensor app or use a low-tech approach with a meter stick and stopwatch. Read more
NGSS Performance Expectations:
  • MS-PS2-2. Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object.
Race Your Marbles to Discover a Liquid's Viscosity
Science Fair Project Idea
Scientific Method
How do you like your mashed potatoes? Thin and whipped smooth? Or thick and mashed into chunks? Your mouth checks out not just the taste of your food, but its viscosity, or how it flows on your tongue, every time you take a bite! In this science fair project, you'll learn what viscosity is, and how to measure it in common liquids around your home. Read more
Racial and Gender Bias in AI-Generated Images
Science Fair Project Idea
Scientific Method
If someone asks you to draw a picture of a doctor, lawyer, or engineer, what first pops into your mind? The race and gender of the person you imagine might be shaped by your personal life experiences, such as whether you have family members in those professions, or what representations of them you have seen on TV or online. What do you think will happen if you ask an artificial intelligence (AI) program to generate the picture instead? Will pictures generated by AI reflect the true real-world… Read more
Rapid Trash Assessment
Lesson Plan Grade: 4th-12th
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By conducting their own survey of an outdoor environment, students will examine a method for assessing litter, identify how humans impact the environment, and design solutions for preventing marine debris. Read more
NGSS Performance Expectations:
  • 4-ESS2-2. Analyze and interpret data from maps to describe patterns of Earth's features.
  • 5-ESS3-1. Obtain and combine information about ways individual communities use science ideas to protect the Earth's resources and environment.
  • MS-ESS3-3. Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
  • HS-LS2-7. Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.
Recycling Greywater: Can Plants Tolerate It?
Science Fair Project Idea
Scientific Method
One way to conserve water is to find safe ways to use it more than once. Here is a project to test whether greywater (water that has been used for washing or bathing) can be used for watering ornamental plants. Read more
Riding on Air—Build a Real Hovercraft
Science Fair Project Idea
Scientific Method
Looking for an exciting new mode of transportation? In this science fair project, you will build a working hovercraft that will glide over surfaces on a cushion of air. And it's simpler to build than you might think! Read more
Rise to the Occasion: Investigating Requirements for Yeast Fermentation
Science Fair Project Idea
Scientific Method
Did you ever wonder how yeast makes bread dough rise? This project will show you what yeast does to make this happen. You'll also investigate the conditions yeast needs to grow. Read more
Rocket Catcher Challenge for Grades 6-8
Lesson Plan Grade: 6th-8th
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In this fun engineering lesson plan, your students will build a rocket-catching device to help a falling rocket land vertically without crashing, using simple and readily-available materials. Elementary and high school versions of this lesson plan are also available. This lesson was part of the 2025 Science Buddies Engineering Challenge. Read more
NGSS Performance Expectations:
  • MS-ETS1-2. Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.
Rocking the Boat
Science Fair Project Idea
Scientific Method
When a ship rocks back and forth, it can make people seasick. Even worse, it can make it dangerous for jets to land on aircraft carriers. For these reasons and many others, it's important for engineers to design bilge keels (or fins) to keep boats from rolling back and forth. Become an engineer for a day and discover the best way to keep from rocking the boat in this engineering science fair project! Read more
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