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Elementary School Science Fair Project Ideas

Education.com's elementary school science fair projects expose kids to a broad range of opportunities for scientific inquiry, arming them with the tools and knowledge they need to answer their questions about the world around them. Elementary school science experiments are a great way to demonstrate important concepts in physics and chemistry, while our elementary school science fair project ideas equip kids with carefully explained procedures that yield enlightening results.

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This biodiversity project examines the biodiversity in your own backyard.
Life Science
Third Grade
Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.
Botany
Fourth Grade
Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.
Elementary School
Life Science
In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.
Botany
Third Grade
This fun experiment provides a concrete and visually striking illustration of photosynthesis.
Elementary School
Life Science
Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.
Life Science
Zoology
Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.
Zoology
First Grade
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Zoology
Second Grade
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Elementary School
Anatomy
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.
Zoology
Third Grade
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
Life Science
Microbiology

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