High School Science Fair Projects

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Compost Ingredients
Compost Ingredients
Science Project
Compost Ingredients
The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.
4th grade
Science
Science Project
Solar Eclipse Model
Science Project
Solar Eclipse Model
Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.
1st grade
Science
Science Project
Homemade Electroscope
Homemade Electroscope
Science Project
Homemade Electroscope
Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.
Science
Science Project
A Rocky Quiz
A Rocky Quiz
Science Project
A Rocky Quiz
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
3rd grade
Science
Science Project
Fresh Or Canned Calories?
Fresh Or Canned Calories?
Science Project
Fresh Or Canned Calories?
Determine whether fresh vegetables have more calories or less calories than canned vegetables.
Science
Science Project
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Science Project
Caffeine and Heart Rate: What Is the Effect of Caffeine on Heart Rate?
Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.
5th grade
Science
Science Project
The Best Choice for Growing Large, Flowering Plants
Science Project
The Best Choice for Growing Large, Flowering Plants
The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.
Science
Science Project
Can Crystals Show Color Mixing?
Can Crystals Show Color Mixing?
Science Project
Can Crystals Show Color Mixing?
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
2nd grade
Science
Science Project
Rocket Nose Cone Science
Rocket Nose Cone Science
Science Project
Rocket Nose Cone Science
This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.
Science
Science Project
Microwave Candy: Do Some Colors of M&Ms Melt Faster than Others?
Microwave Candy: Do Some Colors of M&Ms Melt Faster than Others?
Science Project
Microwave Candy: Do Some Colors of M&Ms Melt Faster than Others?
The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?
1st grade
Science
Science Project
The Stroop Effect
The Stroop Effect
Science Project
The Stroop Effect
The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.
Social studies
Science Project
Factors Affecting Solubility
Science Project
Factors Affecting Solubility
Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.
3rd grade
Science
Science Project
Stubborn Stains
Stubborn Stains
Science Project
Stubborn Stains
What combination of cloth and stain will be the easiest for removing stains? Test and experiment!
4th grade
Science
Science Project
How to Reduce Friction
How to Reduce Friction
Science Project
How to Reduce Friction
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Science
Science Project
How Does Sound Travel?
How Does Sound Travel?
Science Project
How Does Sound Travel?
The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.
4th grade
Science
Science Project
Testing Soil from an Abandoned Field for Future Secondary Succession
Testing Soil from an Abandoned Field for Future Secondary Succession
Science Project
Testing Soil from an Abandoned Field for Future Secondary Succession
Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.
Science
Science Project
Bloomin' Algae!
Bloomin' Algae!
Science Project
Bloomin' Algae!
This science fair project idea raises awareness of a real ecological issue.
Science
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.
4th grade
Science
Science Project
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
Science Project
Brilliant Bird Beaks: An Experiment to Understand Animal Adaptation
This science fair project idea identifies and understands adaptations in birds.
Science
Science Project
Growing Bacteria
Growing Bacteria
Science Project
Growing Bacteria
Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.
4th grade
Science
Science Project

High School Science Fair Projects

Need a science fair project that's fun, engaging, and appropriately rigorous for a high school science fair? Education.com has assembled a rich collection of high school science fair projects and high school science fair project ideas written by our team of professional scientists, science teachers, and educational consultants. We offer free high school science experiments on every science fair topic, including physics, chemistry, biology, engineering, and even psychology. Check the boxes in the sidebar to filter your results, or use the search bar to find a winning idea for your upcoming science fair. Hundreds of good science fair projects are only a click away.