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Fifth Grade Science Fair Project Ideas

Education.com's 5th grade science projects enable kids to apply everything they've learned over the course of their elementary school careers in order to discover some pretty cool and new things about the world around them. In addition to setting up more sophisticated experimental procedures, 5th graders can analyze their results using more sophisticated math, and may begin to acquire an appreciation for large sample sizes and their ability to produce more reliable averages. Browse our rich collection of 5th grade science fair projects by clicking the boxes to the left to filter your results by scientific subtopic to find fantastic 5th grade science fair projects or enlightening 5th grade science experiments for your young scientist.

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Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Fifth Grade
Weather and Climate
In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.
Fifth Grade
Psychology and Sociology
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Fifth Grade
Psychology and Sociology
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Fifth Grade
Weather and Climate
Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.
Fifth Grade
Weather and Climate
This project examines whether people's taste perception is influenced by what they see.
Fifth Grade
Psychology and Sociology
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Fifth Grade
Psychology and Sociology
Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.
Fifth Grade
Weather and Climate
This science fair project idea explores whether cats can be trained in the same way that dogs can.
Fifth Grade
Psychology and Sociology
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Fifth Grade
Psychology and Sociology
This project explores whether people's choice of a 'random' number is not as random as it seems.
Fifth Grade
Psychology and Sociology
Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.
Fifth Grade
Psychology and Sociology
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Fifth Grade
Psychology and Sociology

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