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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 project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.
Elementary School
Engineering
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Elementary School
Engineering
Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.
Applied Mathematics
Fifth Grade
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Engineering
Fourth Grade
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Engineering
Second Grade
Can you dig it? This science experiment isn't for kids who like to keep their hands clean.
Engineering
First Grade
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Engineering
Fifth Grade
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
Applied Science
Fifth Grade
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Elementary School
Applied Mathematics
The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.
Engineering
Fifth Grade
This science fair project idea determines the probability of a coin landing heads or tails.
Elementary School
Applied Mathematics
This science fair project idea examines the reason boats are shaped and engineered.
Elementary School
Engineering
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
Elementary School
Applied Science
This science fair project idea explores how length affects the weight a bridge can hold.
Elementary School
Engineering
Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.
Elementary School
Engineering

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