High School Science Fair Projects

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Creating a Compound Machine Using Simple Machines
Creating a Compound Machine Using Simple Machines
Science Project
Creating a Compound Machine Using Simple Machines
Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.
Science
Science Project
Balloons! Some Float! Some Sink! How does the Temperature of a Gas Affect its Density?
Balloons! Some Float! Some Sink! How does the Temperature of a Gas Affect its Density?
Science Project
Balloons! Some Float! Some Sink! How does the Temperature of a Gas Affect its Density?
Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.
Science
Science Project
How Does Glacier Movement Affect Earth?
How Does Glacier Movement Affect Earth?
Science Project
How Does Glacier Movement Affect Earth?
In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
Science
Science Project
Breathe in! Breathe Out! Do Boys and Girls Have the Same Lung Capacity?
Breathe in! Breathe Out! Do Boys and Girls Have the Same Lung Capacity?
Science Project
Breathe in! Breathe Out! Do Boys and Girls Have the Same Lung Capacity?
This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.
Science
Science Project
Factors Affecting Solubility
Science Project
Factors Affecting Solubility
Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.
3rd grade
Science
Science Project
With My Eyes Closed Shut! Using all of Our Senses Except Sight, Can we Readily Identify Objects?
With My Eyes Closed Shut! Using all of Our Senses Except Sight, Can we Readily Identify Objects?
Science Project
With My Eyes Closed Shut! Using all of Our Senses Except Sight, Can we Readily Identify Objects?
This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.
Science
Science Project
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
Science Project
Do Plants Experience Pollution? Will Plants Grow More or Less or be Unaffected when Grown in Polluted Soil?
This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.
4th grade
Science
Science Project
Solar Hot Dog Cooker
Solar Hot Dog Cooker
Science Project
Solar Hot Dog Cooker
Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.
Science
Science Project
Investigating the Link Between Relationships and Academic Performance
Investigating the Link Between Relationships and Academic Performance
Science Project
Investigating the Link Between Relationships and Academic Performance
This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.
Science
Science Project
Water the Plants! Add Sugar? Would Adding Sugar to the Water Increase the Growth of Plants?
Water the Plants! Add Sugar? Would Adding Sugar to the Water Increase the Growth of Plants?
Science Project
Water the Plants! Add Sugar? Would Adding Sugar to the Water Increase the Growth of Plants?
Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.
Science
Science Project
How Do Carnivorous Plants Digest Insects?
How Do Carnivorous Plants Digest Insects?
Science Project
How Do Carnivorous Plants Digest Insects?
This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.
Science
Science Project
Memory and Personality
Memory and Personality
Science Project
Memory and Personality
This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.
Science
Science Project
Descriptive Reduction Exercise
Descriptive Reduction Exercise
Science Project
Descriptive Reduction Exercise
This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.
Social studies
Science Project
17: The Most Popular Random Number
17: The Most Popular Random Number
Science Project
17: The Most Popular Random Number
This project explores whether people's choice of a "random" number is not as random as it seems.
4th grade
Science
Science Project
Koch Snowflakes
Koch Snowflakes
Science Project
Koch Snowflakes
This experiment will explore the possibility of creating an infinite object by hand.
Science
Science Project
What Method of Preparing Salad Eliminates the Most Bacteria?
What Method of Preparing Salad Eliminates the Most Bacteria?
Science Project
What Method of Preparing Salad Eliminates the Most Bacteria?
The objective of this science fair project is to examine the cleanliness of salad preparation techniques.
Science
Science Project
Effect of Magnetism on Regeneration
Effect of Magnetism on Regeneration
Science Project
Effect of Magnetism on Regeneration
This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.
Science
Science Project
Turning Hand Warmers into Hot Ice Sculpture
Turning Hand Warmers into Hot Ice Sculpture
Science Project
Turning Hand Warmers into Hot Ice Sculpture
This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.
Science
Science Project
How Round are the Planets?
How Round are the Planets?
Science Project
How Round are the Planets?
This experiment examines if space objects become round after reaching a certain mass.
Science
Science Project
How Does Diet Affect Your Body Temperature?
How Does Diet Affect Your Body Temperature?
Science Project
How Does Diet Affect Your Body Temperature?
This experiment investigates if small changes in your diet can alter your basal body temperature.
Science
Science Project
Who can Jump the Highest?
Who can Jump the Highest?
Science Project
Who can Jump the Highest?
This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.
Science
Science Project
Can Yeast Ferment Polysaccharides as Efficiently as Disaccharides?
Can Yeast Ferment Polysaccharides as Efficiently as Disaccharides?
Science Project
Can Yeast Ferment Polysaccharides as Efficiently as Disaccharides?
The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.
Science
Science Project
Laser Jet Toner: a Magnetic Fluid
Laser Jet Toner: a Magnetic Fluid
Science Project
Laser Jet Toner: a Magnetic Fluid
In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.
Science
Science Project
Measuring Sugar in Soda
Measuring Sugar in Soda
Science Project
Measuring Sugar in Soda
This experiment will examine and precisely measure the amount of sugar in various sodas.
Science
Science Project
Testing Glucose Levels
Testing Glucose Levels
Science Project
Testing Glucose Levels
Science fair project that determines which foods and drinks contain the highest amount of glucose.
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.