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Elementary School Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.
Benefits of Good Posture
Fifth Grade
Medium
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Turtle Habitat
Second Grade
Medium
Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.
Bad Vibrations: How Do Webs Help Spiders Get Prey?
Fifth Grade
Sixth Grade
What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.
DIY Compost
Third Grade
Hard
Science fair project which determines what types of foods ants like to eat, by monitoring the lives of ants in a colony.
What Does an Ant Eat for Breakfast?
Third Grade
Fourth Grade
Discover how and which salt melts ice the quickest.
Salt Melting Ice
Elementary School
Fourth Grade
Ever wonder about the fungi you see growing on the sides of trees? This project explores these fungi to determine whether they are parasites or saprophytes.
Bracket Fungi: Parasites or Saprophytes?
Fourth Grade
Fifth Grade
Could you grow a giant in your backyard? Create great soil and see if this helps you grow a bigger beanstalk!
Growing Beans
Second Grade
Medium
Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.
Does Adding Salt to Pasta make it Cook Faster?
Third Grade
Fourth Grade
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Mylar vs. Latex Balloons
Third Grade
Fourth Grade
The objective of this science fair project is to test the relationship between the arc distance a pendulum travels and the swing period time.
Kinetic Pendulum: What's the Relationship Between Distance and Swing Time?
Fourth Grade
Fifth Grade
In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.
Glove In a Jar: Demonstration of a Closed System
Elementary School
Kindergarten
In this science fair project, students find out how color affects how hot something gets.
Do Some Colors Create More Heat than Others?
Third Grade
Fourth Grade
In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.
Sun Print: How Solar Energy Creates Chemical Changes
Elementary School
Kindergarten
This fun experiment provides a concrete and visually striking illustration of photosynthesis.
Demonstrating Photosynthesis: Writing in Grass
Elementary School
Kindergarten

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