High School Science Fair Projects

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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
Long Distance Short Distance Eyesight
Long Distance Short Distance Eyesight
Science Project
Long Distance Short Distance Eyesight
This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.
Science
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.
Science
Science Project
The Effect of Caffeine on the Heart Rate of Daphnia Magna
The Effect of Caffeine on the Heart Rate of Daphnia Magna
Science Project
The Effect of Caffeine on the Heart Rate of Daphnia Magna
This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.
Science Project
How Does Microwave Radiation Affect Different Organisms?
How Does Microwave Radiation Affect Different Organisms?
Science Project
How Does Microwave Radiation Affect Different Organisms?
This experiment explores how microwave radiation affects fungi, bacteria, and plant life.
Science
Science Project
Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
Science Project
Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
This science project researches the correlation between barometric pressure and wind velocity.
Science
Science Project
The Meissner Effect: Magnetic Levitation Using a Superconductor
Science Project
The Meissner Effect: Magnetic Levitation Using a Superconductor
Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.
Science
Science Project
The Best Pet for your Health
The Best Pet for your Health
Science Project
The Best Pet for your Health
This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.
Science
Science Project
Can Food Boost Your Mood?
Can Food Boost Your Mood?
Science Project
Can Food Boost Your Mood?
This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.
Science
Science Project
Evaluating Gender Differences in Sound Perception
Evaluating Gender Differences in Sound Perception
Science Project
Evaluating Gender Differences in Sound Perception
This experiment investigates whether there are certain sounds that affect men and women differently
Science
Science Project
Greenhouse Gases
Greenhouse Gases
Science Project
Greenhouse Gases
This science project examines the thermal properties of several major greenhouse gases.
Science
Science Project
The Science of Human Error
The Science of Human Error
Science Project
The Science of Human Error
In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.
Science
Science Project
Studying the Difference Between "Dog People" and "Cat People"
Studying the Difference Between "Dog People" and "Cat People"
Science Project
Studying the Difference Between "Dog People" and "Cat People"
This experiment evaluates if personality influences whether a person prefers dogs or cats.
Science
Science Project
Retaining Information
Retaining Information
Science Project
Retaining Information
Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.
Social studies
Science Project
Bust That Rust!
Bust That Rust!
Science Project
Bust That Rust!
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Science
Science Project
Getting The Soap Out!
Getting The Soap Out!
Science Project
Getting The Soap Out!
Investigate which substances are most effective at removing salt from water.
Science
Science Project
The Effect of Repetition in Sign Language Acquisition in Infants
The Effect of Repetition in Sign Language Acquisition in Infants
Science Project
The Effect of Repetition in Sign Language Acquisition in Infants
This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.
Social studies
Science Project
The Color Of Your Heartbeat
The Color Of Your Heartbeat
Science Project
The Color Of Your Heartbeat
Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.
Science
Science Project
Does Astrology Work? A Test
Does Astrology Work? A Test
Science Project
Does Astrology Work? A Test
In this science fair project, students evaluate if astrological signs provide clues about people's personalities.
Science
Science Project
Investigating the Influence of Packaging on Children
Investigating the Influence of Packaging on Children
Science Project
Investigating the Influence of Packaging on Children
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Science
Science Project
How Does Personality Influence Movie Preference?
How Does Personality Influence Movie Preference?
Science Project
How Does Personality Influence Movie Preference?
This experiment evaluates if personality affects the type of movies that people prefer.
Science
Science Project
Bacteria Science Fair Project: How Does Bleach Kill Bacteria?
Science Project
Bacteria Science Fair Project: How Does Bleach Kill Bacteria?
How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.
Science
Science Project
What is the Highest and Lowest Pitches that Most People Can Sing?
What is the Highest and Lowest Pitches that Most People Can Sing?
Science Project
What is the Highest and Lowest Pitches that Most People Can Sing?
Cover your ears! Find out what is the highest and lowest pitch people can sing in this science fair project idea.
Science
Science Project
Good and Bad Lipids
Good and Bad Lipids
Science Project
Good and Bad Lipids
This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).
Science
Science Project
Reward or Punishment: Which is the Better Motivator?
Reward or Punishment: Which is the Better Motivator?
Science Project
Reward or Punishment: Which is the Better Motivator?
This experiment will investigate whether reward or punishment is more apt to motivate people.
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.