High School Science Fair Projects

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What Direction Should Solar Panels Face?
What Direction Should Solar Panels Face?
Science Project
What Direction Should Solar Panels Face?
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Science
Science Project
Aromatherapy: Does Scent Affect Mood?
Aromatherapy: Does Scent Affect Mood?
Science Project
Aromatherapy: Does Scent Affect Mood?
Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.
Science
Science Project
Can We Stretch the Body by Stretching the Mind?
Can We Stretch the Body by Stretching the Mind?
Science Project
Can We Stretch the Body by Stretching the Mind?
Explore the neural and mental mechanisms at play in mental imagery.
Science
Science Project
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Science Project
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.
3rd grade
Science
Science Project
Show the Direction of Magnetic Field Lines
Show the Direction of Magnetic Field Lines
Science Project
Show the Direction of Magnetic Field Lines
Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.
2nd grade
Science
Science Project
Regrow Cabbage: Vegetative Reproduction and Cloning Plants
Regrow Cabbage: Vegetative Reproduction and Cloning Plants
Science Project
Regrow Cabbage: Vegetative Reproduction and Cloning Plants
What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!
Science
Science Project
Rust Chemistry: How Does Rust Form?
Rust Chemistry: How Does Rust Form?
Science Project
Rust Chemistry: How Does Rust Form?
How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.
3rd grade
Science
Science Project
Examples of Mechanical Weathering
Examples of Mechanical Weathering
Science Project
Examples of Mechanical Weathering
Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.
5th grade
Science
Science Project
What Is the Best Way to Wash Your Hands?
What Is the Best Way to Wash Your Hands?
Science Project
What Is the Best Way to Wash Your Hands?
This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.
Kindergarten
Science
Science Project
Fingerprints?  Do Parents and Children Share Similar Components and Patterns?
Fingerprints? Do Parents and Children Share Similar Components and Patterns?
Science Project
Fingerprints? Do Parents and Children Share Similar Components and Patterns?
The objective of this science project is to investigate patterns in fingerprints among family members.
Science
Science Project
Don't Have a Meltdown!
Don't Have a Meltdown!
Science Project
Don't Have a Meltdown!
This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.
Science
Science Project
Hot Desert Plant Adaptations
Hot Desert Plant Adaptations
Science Project
Hot Desert Plant Adaptations
Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
5th grade
Science
Science Project
The Effect of Ambient Temperature on the Ability to Rock and Roll
The Effect of Ambient Temperature on the Ability to Rock and Roll
Science Project
The Effect of Ambient Temperature on the Ability to Rock and Roll
This science fair project idea measures physical dexterity as a function of temperature.
Science
Science Project
Can You Hear Me Now?
Science Project
Can You Hear Me Now?
The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.
Science
Science Project
Lunar Madness
Lunar Madness
Science Project
Lunar Madness
The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.
Science
Science Project
Deer Behavior
Deer Behavior
Science Project
Deer Behavior
This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.
3rd grade
Science
Science Project
Balloon Rocket Experiment
Balloon Rocket Experiment
Science Project
Balloon Rocket Experiment
Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?
5th grade
Science
Science Project
Separate That Solution!
Separate That Solution!
Science Project
Separate That Solution!
Determine how we can separate the components of a solution
Science
Science Project
Measure Twice!
Measure Twice!
Science Project
Measure Twice!
Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.
Science
Science Project
Salinity and Hatching Brine Shrimp Eggs
Salinity and Hatching Brine Shrimp Eggs
Science Project
Salinity and Hatching Brine Shrimp Eggs
Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.
5th grade
Science
Science Project
Astonishing Apples! What Preserves Apples Best?
Astonishing Apples! What Preserves Apples Best?
Science Project
Astonishing Apples! What Preserves Apples Best?
The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.
Science
Science Project
How to use Colored Filters to Send Secret Messages
How to use Colored Filters to Send Secret Messages
Science Project
How to use Colored Filters to Send Secret Messages
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
3rd grade
Science
Science Project
A Massive Or Weighty Problem
A Massive Or Weighty Problem
Science Project
A Massive Or Weighty Problem
Science fair project that determines whether mass and weight are the same or different.
5th grade
Science
Science Project
Positive and Negative Geotropism
Positive and Negative Geotropism
Science Project
Positive and Negative Geotropism
Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.
4th 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

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.