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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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What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.
Fifth Grade
Ecology
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Fifth Grade
Geology
Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?
Fifth Grade
Ecology
What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.
Fifth Grade
Ecology
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Fifth Grade
Weather and Climate
In this fun experiment, we'll find out how color affects heat absorption!
Fifth Grade
Weather and Climate
In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.
Fifth Grade
Geology
Science fair project that examines condensation and the conditions needed in order for dew to form.
Fifth Grade
Weather and Climate
Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.
Fifth Grade
Earth & Space Science
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Fifth Grade
Astronomy
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Fifth Grade
Weather and Climate

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