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Science Fair Project Ideas

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

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Fourth Grade Physics Weather and Climate
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The purpose of this science fair project is to determine the strength of a magnet based on the distance it moves a magnetic toy car.
Can a Toy Car Reveal the Strength of a Magnet?
Fourth Grade
Physics
The objective of this science fair project is to explore which factors influence the height of a ball bounce.
Bouncing Ball Physics
Fourth Grade
Physics
Attraction? Detraction? The goal of this science fair project is to explore how magnetic fields differ.
How Do Magnetic Fields Differ?
Fourth Grade
Physics
How Does a Compass Work?
Fourth Grade
Physics
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Snow to Liquid Ratio
Fourth Grade
Weather and Climate
Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.
Example of Newton's First Law
Fourth Grade
Physics
In this science fair project, students will construct their own hovercraft.
DIY Hovercraft
Fourth Grade
Physics
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Make a Magnetized Compass!
Fourth Grade
Physics
The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.
How Does Sound Travel?
Fourth Grade
Physics
The goal of this science fair project is to investigate how distance affects the strength of the magnet. All you need is graph paper, a compass, and a magnet.
How Does Distance Affect the Strength of a Magnet?
Fourth Grade
Physics
In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.
How Do Weather Conditions Affect How Fast a Puddle Evaporates?
Fourth Grade
Weather and Climate
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Bridge Project
Fourth Grade
Physics
In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.
Fastest Way to Cool a Soda
Fourth Grade
Physics
Using a nine-volt battery to create an electrical field around a nail, students make their own electromagnet.
DIY Electromagnet
Fourth Grade
Physics
This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.
How to Create a Visual Doppler
Fourth Grade
Physics

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