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Elementary School Applied Science - 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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In this free science fair project idea we learn about how the human arm is a third-class lever.
Human Machine: How is Your Forearm Like a Third-Class Lever?
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.
Nine: The Biggest Little Number
Elementary School
Applied Science
Get free science fair project ideas for elementary school children that cover topics based upon machines.
Ringer: What is a Third-Class Lever, and What is the Advantage of Using One?
Elementary School
Engineering
In this free science fair project idea, we construct a machine that uses ball bearings, to spin and rotate fast.
Spinner: How Can Wheels Be Made to Rotate Faster?
Elementary School
Engineering
In this free science fair project idea, we construct a second-class lever that can lift a brick.
Second-Class: What Is a Second-Class Lever, and What is The Advantage of Using One?
Elementary School
Engineering
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Simple Machines
Elementary School
Engineering
In this free science fair project idea, we construct a machine that uses and axle and wheel to lift a load.
Around-n-Around: How is a Wheel and Axle Similar to a Lever?
Elementary School
Engineering
In this free science fair project idea, we construct a machine that consists of two gears, which turn to change the direction of force
Toothy: How Are Gears Used to Change Movement From One Direction to Another?
Elementary School
Engineering
In this free science fair project idea, we construct a machine that uses a counterweight to overcome friction, making lifting loads easier.
Counterweight: What is a Counterweight, and How Does it Make Lifting a Load Easier?
Elementary School
Engineering
In this free science fair project idea, we construct gears to turn a simple machine into a more complex compound machine.
Combined: What is a Compound Machine?
Elementary School
Engineering
In this free science fair project idea, we construct a machine that twirls a string use the pull and power of gravity.
Twirler: How Can Gravity Be Used to Power a Machine?
Elementary School
Engineering
In this free science fair project idea, we build a pantograph machine which can enlarge our writing and drawing.
Enlarger: How Does a Pantograph (a Machine Used To Change the Size of Drawings) Work?
Elementary School
Engineering
In this free science fair project idea, we use a broom, chair and table to construct a first-class lever, which can move a table.
Lifter: What Is a First-Class Lever, and What Is The Advantage of Using One?
Elementary School
Engineering
In this free science fair project idea, we change the shape of a magnifying lens to change our view of an object.
Shape Up: Does the Shape of a Lens Affect its Magnification?
Elementary School
Engineering
In this free science fair project idea, we use a jar of water as a magnifying lens to magnify the words on a newspaper
Magnifier: What is the Meaning of 2X Magnification?
Elementary School
Engineering

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