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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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Showing 16 to 30 of 102
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Weather and Climate
Ninth Grade
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
Weather and Climate
Fourth Grade
Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.
Weather and Climate
Third Grade
Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.
Weather and Climate
Fifth Grade
Is temperature a requirement for solar energy uses? This project tests this theory and examines the amount of usable sunlight for solar-energy applications.
Weather and Climate
Middle School
Analyze temperature and precipitation data to determine whether current weather conditions are outside the historical norm.
Weather and Climate
Middle School
What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!
Weather and Climate
Seventh Grade
Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.
Genetics
Third Grade
Looking for a way to keep your kid busy during the long, hot days of summer? These science projects will spark your young learner's curiosity going into the new school year. What's more, conducting an experiment or two is a great way to take your mind off the sweltering temperatures!
Weather and Climate
Elementary School
In this fun experiment, we'll find out how color affects heat absorption!
Weather and Climate
Fifth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Weather and Climate
Middle School
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Weather and Climate
Second Grade
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Weather and Climate
Middle School

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