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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 science fair project will help students learn about non-vascular plants, such as mosses.
Botany
Second Grade
In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.
Botany
Fourth Grade
Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!
Botany
Fourth Grade
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Botany
Third Grade
This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.
Botany
Third Grade
For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.
Botany
Second Grade
Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.
Botany
Fifth Grade
In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.
Botany
Third Grade
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
Botany
Fourth Grade

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