High School Science Fair Projects

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What Materials Affect the Length of Sound?
What Materials Affect the Length of Sound?
Science Project
What Materials Affect the Length of Sound?
This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.
Science
Science Project
Centrifuge
Centrifuge
Science Project
Centrifuge
This science fair project idea explores what common compounds can be easily separated out in a centrifuge.
Science
Science Project
What Effect Does Wind have on a Baseball Game?
What Effect Does Wind have on a Baseball Game?
Science Project
What Effect Does Wind have on a Baseball Game?
This project will examine the relationship between wind velocity and direction and the distance a baseball travels.
Science
Science Project
Fireproofing a Balloon
Fireproofing a Balloon
Science Project
Fireproofing a Balloon
If you hold a fire up to a balloon, it pops instantly. What if you could prevent this from happening? In this project, we do just that.
Science
Science Project
Do Men and Women Really See Things Differently?
Do Men and Women Really See Things Differently?
Science Project
Do Men and Women Really See Things Differently?
Evaluate gender differences in processing visual information.
Social studies
Science Project
Demonstrating the Separation of Mixtures
Demonstrating the Separation of Mixtures
Science Project
Demonstrating the Separation of Mixtures
In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.
Science
Science Project
The Science of Sleep: Testing Dream Recall
The Science of Sleep: Testing Dream Recall
Science Project
The Science of Sleep: Testing Dream Recall
This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.
Science
Science Project
Are Frequent Facebook Users Less or More Lonely?
Are Frequent Facebook Users Less or More Lonely?
Science Project
Are Frequent Facebook Users Less or More Lonely?
This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.
Science
Science Project
Hydrophobic Sand
Hydrophobic Sand
Science Project
Hydrophobic Sand
In this experiment we use Scotch Guard to make sand that resists water.
Science
Science Project
Sizing Up Marshmallows
Sizing Up Marshmallows
Science Project
Sizing Up Marshmallows
Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?
3rd grade
Science
Science Project
Intuitive Elements
Intuitive Elements
Science Project
Intuitive Elements
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Science
Science Project
Developing a New, Improved Cold Pack
Developing a New, Improved Cold Pack
Science Project
Developing a New, Improved Cold Pack
The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.
Science
Science Project
The Effect Of Heat On Enzyme Activity
The Effect Of Heat On Enzyme Activity
Science Project
The Effect Of Heat On Enzyme Activity
This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.
Science
Science Project
Emotional Resonance in Color and Black and White Photographs
Emotional Resonance in Color and Black and White Photographs
Science Project
Emotional Resonance in Color and Black and White Photographs
This project explores differences in people's reactions to images in color and images in black and white.
Science
Science Project
Fun and Fitness: Which Video Game Provides the Best Workout?
Fun and Fitness: Which Video Game Provides the Best Workout?
Science Project
Fun and Fitness: Which Video Game Provides the Best Workout?
Determine which video game elevates the heart rate best and burns the most calories.
Science
Science Project
Dry Ice Effects
Dry Ice Effects
Science Project
Dry Ice Effects
In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!
Science
Science Project
Do humans understand values greater than three?
Do humans understand values greater than three?
Science Project
Do humans understand values greater than three?
This project examines whether humans can intuitively grasp numeric values greater than three.
Science
Science Project
Electron Charge Density
Electron Charge Density
Science Project
Electron Charge Density
This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.
Science
Science Project
The Effect Of Acid Rain On Seedling Germination
The Effect Of Acid Rain On Seedling Germination
Science Project
The Effect Of Acid Rain On Seedling Germination
This science fair project idea quantifies growth of seedlings at various pH levels.
Science
Science Project
Personality Profile of the Social Media Junkie
Personality Profile of the Social Media Junkie
Science Project
Personality Profile of the Social Media Junkie
In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.
Social studies
Science Project
Golf Science Fair Project: Temperature and Rebound
Science Project
Golf Science Fair Project: Temperature and Rebound
The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.
3rd grade
Science
Science Project
The Color of Numbers and Letters
The Color of Numbers and Letters
Science Project
The Color of Numbers and Letters
This project examines whether and what associations exist between numbers and letters and colors.
Science
Science Project
Spectrometer Analysis and Burning Ion Solutions
Spectrometer Analysis and Burning Ion Solutions
Science Project
Spectrometer Analysis and Burning Ion Solutions
In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.
Science
Science Project
I Want That! Evaluating the Influence of Advertisements
I Want That! Evaluating the Influence of Advertisements
Science Project
I Want That! Evaluating the Influence of Advertisements
Evaluate if people are more influenced by video or audio advertising.
Social studies
Science Project
Does Chewing Gum Help You Concentrate?
Does Chewing Gum Help You Concentrate?
Science Project
Does Chewing Gum Help You Concentrate?
This project investigates whether chewing gum can help a majority of people with focus and concentration.
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.