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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.

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Current Filters (697 results): 697 filtered results
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High School Memories
Science project
High School Memories
Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.
High school
Science
Science project
How High Is That?
Science project
How High Is That?
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
High school
Science
Science project
Hot Tubs and High Blood Pressure
Science project
Hot Tubs and High Blood Pressure
Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.
Science
Science project
The Effect of Overpopulation on Guppies
Science project
The Effect of Overpopulation on Guppies
In this high school science project, students examine the effect of overpopulation on guppies.
High school
Science
Science project
Denaturing Proteins
Science project
Denaturing Proteins
In this science fair experiment, high school students determine if all proteins denature at the same temperature.
High school
Science
Science project
High-Q
Science project
High-Q
Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.
High school
Social studies
Science project
Using Statistics to Predict Relationship Success or Failure
Science project
Using Statistics to Predict Relationship Success or Failure
Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.
High school
Science
Science project
Grade "A" Salaries
Science project
Grade "A" Salaries
Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA
High school
Science
Science project
How Does Diet Affect Your pH?
Science project
How Does Diet Affect Your pH?
This high school science fair project investigates if small changes in your diet alter the pH of your saliva.
High school
Science
Science project
Is Texting a New LNGWJ?
Science project
Is Texting a New LNGWJ?
This science project challenges high school students to study the linguistic evolution of text messaging.
High school
Science
Science project
Faraday's Experiment
Science project
Faraday's Experiment
High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.
Middle school
Science
Science project
Diffraction Grating Experiment: Wavelength of Laser Light
Science project
Diffraction Grating Experiment: Wavelength of Laser Light
This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.
High school
Science
Science project
Resistivity: Is Copper the Best Metal Conductor?
Science project
Resistivity: Is Copper the Best Metal Conductor?
High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.
High school
Science
Science project
A Plasma Ball! What is it and How Does it Work?
Science project
A Plasma Ball! What is it and How Does it Work?
Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.
High school
Science
Science project
High Frequency Hearing Test
Science project
High Frequency Hearing Test
...Is it a high-pitched or low-pitched sound? What do you think this tells you about its frequency?...
5th grade
Science
Science project
SPEAK LOUDER! How Does a Microphone Work?
Science project
SPEAK LOUDER! How Does a Microphone Work?
Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.
High school
Science
Science project
Horizontal and Vertical Motion
Science project
Horizontal and Vertical Motion
Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.
Science
Science project
Build a Model of the Cell Membrane
Science project
Build a Model of the Cell Membrane
Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.
High school
Science
Science project
Fruit Fly Lab: Phototaxis, Geotaxis and Chemotaxis
Science project
Fruit Fly Lab: Phototaxis, Geotaxis and Chemotaxis
High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.
Science project
Heat Transfer? Can you Measure it? How is it Done?
Science project
Heat Transfer? Can you Measure it? How is it Done?
Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.
High school
Science
Science project
Mushroom Anatomy
Science project
Mushroom Anatomy
Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?
Middle school
Science
Science project
Do High-Wattage Microwaves Cook Faster?
Science project
Do High-Wattage Microwaves Cook Faster?
Explore the wattage of microwaves in relevance to cooking time.
Science
Science project
To Sear to Not to Sear
Science project
To Sear to Not to Sear
This science fair project idea discovers the effect of (high) heat on animal cells.
Science
Science project
The Effects of Temperature on Bounce
Science project
The Effects of Temperature on Bounce
This science fair project idea determines if the temperature of rubber effects how high it bounces.
4th grade
Science
Science project
Symbiosis: Plants, Nitrogen, and Bacteria
Science project
Symbiosis: Plants, Nitrogen, and Bacteria
In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.
Science
Science project

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