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Science Fair Project Ideas

Find the engineering and food science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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Have you ever wondered if the heat from the sun is strong enough to cook food? This science experiment provides step-by-step instructions to help you answer this question.
Solar Hot Dog Cooker
Food
Elementary School
In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.
Measuring Heart Rate with Doppler Ultrasound
Engineering
Middle School
This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.
Which Decaffeinated Tea Type Contains the Least Amount of Caffeine?
Food
Middle School
Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.
Too Much Sodium?
Food
Third Grade
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Bridge Project
Engineering
Elementary School
Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.
Healthy Gum?
Food
Sixth Grade
This science fair project teaches students the differences between fruits and vegetables.
Is it a Fruit or a Veggie?
Food
Elementary School
Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.
Can Certain Foods Make You Smell?
Food
Middle School
The purpose of this science fair project is to investigate why honey crystallizes and what may make honey crystallize faster.
Why Does Honey Crystallize?
Food
First Grade
This science fair project ideaexplores whether cooking food destroys potential vitamin levels.
Does Cooking Food Destroy Its Potential Vitamin Levels?
Food
High School
In this free science fair project idea, we learn about how the Greek mathematician Eratosthenes determined the size and shape of the earth with geometry.
Ancient Techniques of Determining Earth's Size and Shape
Engineering
Middle School
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Arch Magic: The Unbreakable Egg
Engineering
Elementary School
Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Pineapple Enzyme
Food
Third Grade
What is a great way to improve a building's ability to stay strong under stress? This project explores the process of bracing a building with parallelograms to improve sturdiness.
How to Retrofit a Building
Engineering
Middle School
In this science fair project, students will construct their own hovercraft.
DIY Hovercraft
Engineering
Fourth Grade

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