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Great Ideas for Science Fair Projects

Looking for that next winning science fair experiment? Or a science project for class? Or, how about some "just for fun" activities? You'll find hundreds of project ideas for grades K through 12, from simple and easy projects, perfect for elementary school to more complex projects suitable for high-school level competitions. Scroll through our list of projects to find your favorite! All have been compiled and written by teachers and professionals working in the field of science.

Most Recent

  • The Center of the Universe: Copernicus’ Struggle
    What if you had information you thought was true, yet went against what astronomers trusted and people, including the Catholic Church, believed? Copernicus faced this dilemma. His great idea would transform the way people understood the sun, moon and planets and how they moved.
  • Percy Spencer and the History of the Microwave Oven
    Technology seems like a constant upgrade—it is there to solve problems but might present problems itself such as a credit card being hacked, an ATM being read remotely or a microwave burning up. Speaking of the microwave, it’s been around a long time. How old do you think it is?
  • Brainy Idea: The Frontal Cortex, Part of Our Amazing Brain
    As an organ, the brain is the most complex and the most miraculous in operation. Brain science only came into the forefront of study in the nineteenth century by examining victims with damaged brains. Learn more about the miraculous human brain.
  • Four Exploding Baking Soda Experiments
    Children will have a blast making a fire extinguisher, launching a rocket into outer space, and making the perfect Christmas present for mom while participating in these hot experiments with baking soda and vinegar.
  • Think Ink - Make Different Colored Inks the Natural Way
    I'm not going to pretend that making ink is an easy process, but it sure is fun! The results can vary greatly, even when using the same formula, but that's part of the charm. There are different methods and different color inks you can create including red, black, brown and even invisible ink!
  • How to Build a Mousetrap Car
    Building a mousetrap car is an easy and fun science project. Simple step-by-step instructions will enable any student to create a working mousetrap car. Trouble shooting and tips will provide students with additional information and suggestions.
  • Experiments with Sound Waves for Kids
    Looking for a cool science experiment for this year's fair? Check out these experiments for kids about sound waves, and see if any of them piques your interest.
  • Sensational Science Projects for the Upper Grades
    Prepare your middle school or high school students for the science fair with this list of challenging projects. Make this year's science fair a complete success! Projects that capture your students' interest will motivate them to consider the multiple exciting aspects of science.
  • Super Science Fair Projects for Third Grade Students
    All of these science projects are easy enough for the third grader to do at home, with items you probably already have! Get started performing these easy experiments today!
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