High School Science Fair Projects

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What Colors are Birds Attracted to?
What Colors are Birds Attracted to?
Science Project
What Colors are Birds Attracted to?
Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.
Science
Science Project
What Materials Block Radio Waves Most Effectively?
What Materials Block Radio Waves Most Effectively?
Science Project
What Materials Block Radio Waves Most Effectively?
In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.
Science
Science Project
What Blocks UVA Rays?
What Blocks UVA Rays?
Science Project
What Blocks UVA Rays?
Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.
Science
Science Project
How Fast Does a Seismic Wave Travel?
How Fast Does a Seismic Wave Travel?
Science Project
How Fast Does a Seismic Wave Travel?
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
Science
Science Project
Effect of Pollution on the pH of Rainwater
Effect of Pollution on the pH of Rainwater
Science Project
Effect of Pollution on the pH of Rainwater
This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.
5th grade
Science
Science Project
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Science Project
Ability of Curry and Cinnamon to Inhibit Bacterial Growth
Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.
Science
Science Project
Biodiversity in a Drop of Water
Biodiversity in a Drop of Water
Science Project
Biodiversity in a Drop of Water
This science fair project idea compares biodiversity between drops of water.
5th grade
Science
Science Project
Does Double Dipping Really Spread Germs?
Does Double Dipping Really Spread Germs?
Science Project
Does Double Dipping Really Spread Germs?
Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.
Science
Science Project
What Causes the Seasons to Change?
Science Project
What Causes the Seasons to Change?
What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.
4th grade
Science
Science Project
Total Alkalinity and pH of Personal Care Products
Science Project
Total Alkalinity and pH of Personal Care Products
Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.
5th grade
Science
Science Project
What Is a Series Circuit?
What Is a Series Circuit?
Science Project
What Is a Series Circuit?
What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!
Science
Science Project
How Do the Phases of the Moon Affect the Tides?
How Do the Phases of the Moon Affect the Tides?
Science Project
How Do the Phases of the Moon Affect the Tides?
How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!
5th grade
Science
Science Project
Soil pH: Acid or Alkaline?
Soil pH: Acid or Alkaline?
Science Project
Soil pH: Acid or Alkaline?
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
4th grade
Science
Science Project
Can Taste Buds Detect MSG Levels?
Can Taste Buds Detect MSG Levels?
Science Project
Can Taste Buds Detect MSG Levels?
In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.
4th grade
Science
Science Project
Chemical Indicators
Chemical Indicators
Science Project
Chemical Indicators
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
4th grade
Science
Science Project
African Savanna Animal Adaptations: Camouflage
African Savanna Animal Adaptations: Camouflage
Science Project
African Savanna Animal Adaptations: Camouflage
Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.
1st grade
Science
Science Project
Viscosity, Surface Tension and Temperature
Viscosity, Surface Tension and Temperature
Science Project
Viscosity, Surface Tension and Temperature
This project examines the affect of temperature on viscosity and surface tension of different liquids.
Science
Science Project
Eye Witness, You Witness
Eye Witness, You Witness
Science Project
Eye Witness, You Witness
How well can people recall what they have observed. Test your knowledge in this fun experiment.
4th grade
Social studies
Science Project
The Limewater Carbon Dioxide Test
The Limewater Carbon Dioxide Test
Science Project
The Limewater Carbon Dioxide Test
Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.
3rd grade
Science
Science Project
Conductor or Insulator?
Conductor or Insulator?
Science Project
Conductor or Insulator?
This science fair project idea determines what household items are good conductors of electricity.
5th grade
Science
Science Project
Microwave Madness
Microwave Madness
Science Project
Microwave Madness
This science project idea examines the effect of microwaving on various objects.
4th grade
Science
Science Project
Here's To Your Heart
Here's To Your Heart
Science Project
Here's To Your Heart
The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.
4th grade
Science
Science Project
Species vs. Breed
Species vs. Breed
Science Project
Species vs. Breed
Science fair project which breeds a pair of mice, a pair of rats and a mouse and a rat in order to learn about the difference.
5th grade
Science
Science Project
How Do Heat and Pressure Create Metamorphic Rocks?
How Do Heat and Pressure Create Metamorphic Rocks?
Science Project
How Do Heat and Pressure Create Metamorphic Rocks?
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
5th grade
Science
Science Project
Logo Recognition: Effects of Media on Children
Logo Recognition: Effects of Media on Children
Science Project
Logo Recognition: Effects of Media on Children
In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.
5th grade
Social studies
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.