Education.com
Try
Brainzy
Try
Plus

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.

Sort by:
Showing 31 to 45 of 250
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Weather and Climate
Second Grade
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Psychology and Sociology
Tenth Grade
Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.
Psychology and Sociology
Third Grade
This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.
Psychology and Sociology
Elementary School
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
This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.
Psychology and Sociology
Elementary School
In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.
Psychology and Sociology
Middle School
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
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
Analyze temperature and precipitation data to determine whether current weather conditions are outside the historical norm.
Weather and Climate
Middle School
This project explores whether people's choice of a 'random' number is not as random as it seems.
Psychology and Sociology
Elementary School
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Psychology and Sociology
Elementary School
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
Psychology and Sociology
High School

Share these projects with friends