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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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In this science fair project, students use the streak test to tell minerals apart from each other.
Fourth Grade
Elementary School
Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!
Fourth Grade
Easy
Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.
Fourth Grade
Zoology
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Fourth Grade
Second Grade
Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.
Ninth Grade
Tenth Grade
In this science fair project, students make their own rain gauge to measure rainfall.
Fourth Grade
Weather and Climate
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Fourth Grade
Elementary School
This science experiment tests if dog saliva can really help heal wounds.
Fourth Grade
Elementary School
In this experiment, the weight of aluminum cans will be compared.
Fourth Grade
Elementary School
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Fourth Grade
Weather and Climate

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