Science Fair Project Ideas

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The Answer is Blowing in the Wind
The Answer is Blowing in the Wind
Science Project
The Answer is Blowing in the Wind
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
5th grade
Science
Science Project
Nine: The Biggest Little Number
Nine: The Biggest Little Number
Science Project
Nine: The Biggest Little Number
Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.
5th grade
Science
Science Project
Geography, Latitude, and the North Star: Where Am I?
Geography, Latitude, and the North Star: Where Am I?
Science Project
Geography, Latitude, and the North Star: Where Am I?
Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.
2nd grade
Science
Science Project
How A Kazoo Makes Sounds
How A Kazoo Makes Sounds
Science Project
How A Kazoo Makes Sounds
How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.
2nd grade
Science
Science Project
Microscopic Life is Everywhere
Microscopic Life is Everywhere
Science Project
Microscopic Life is Everywhere
Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.
5th grade
Science
Science Project
Outer Space In My Yard
Science Project
Outer Space In My Yard
Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.
3rd grade
Science
Science Project
The Fungus Among Us
The Fungus Among Us
Science Project
The Fungus Among Us
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
5th grade
Science
Science Project
Garbage Gas
Garbage Gas
Science Project
Garbage Gas
Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.
Science
Science Project
Conversion of Gravitational Potential Energy into Mechanical Energy
Conversion of Gravitational Potential Energy into Mechanical Energy
Science Project
Conversion of Gravitational Potential Energy into Mechanical Energy
Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.
Science
Science Project
Simple Harmonic Motion: Pendulum
Simple Harmonic Motion: Pendulum
Science Project
Simple Harmonic Motion: Pendulum
This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.
Science
Science Project
Sound Resonance: How to Calculate Speed of Sound
Science Project
Sound Resonance: How to Calculate Speed of Sound
In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.
Science
Science Project
Pendulum Waves
Science Project
Pendulum Waves
Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.
Science
Science Project
The Candle Illusion: Virtual Images
The Candle Illusion: Virtual Images
Science Project
The Candle Illusion: Virtual Images
This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.
Science
Science Project
Wave-Particle Duality of Light
Wave-Particle Duality of Light
Science Project
Wave-Particle Duality of Light
Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.
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.
Science
Science Project
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
Science Project
How Fast Does Light Travel in Water vs. Air? Refraction Experiment
How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.
Science
Science Project
Finding Absolute Zero
Science Project
Finding Absolute Zero
What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.
Science
Science Project
Boiling Water in a Paper Cup
Boiling Water in a Paper Cup
Science Project
Boiling Water in a Paper Cup
Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.
Science
Science Project
Joule Heating: Resistance vs. Temperature
Joule Heating: Resistance vs. Temperature
Science Project
Joule Heating: Resistance vs. Temperature
Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.
Science
Science Project
Resistivity: Is Copper the Best Metal Conductor?
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.
Science
Science Project
Magnetic Levitation
Magnetic Levitation
Science Project
Magnetic Levitation
Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.
5th grade
Science
Science Project
Electromagnetic Ring Launcher
Science Project
Electromagnetic Ring Launcher
Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.
Science
Science Project
Hooke's Law: Calculating Spring Constants
Hooke's Law: Calculating Spring Constants
Science Project
Hooke's Law: Calculating Spring Constants
How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.
Science
Science Project
Atwood Machine and Newton’s 2nd Law
Science Project
Atwood Machine and Newton’s 2nd Law
Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.
Science
Science Project
Break a Ruler Using Newspaper and Atmospheric Pressure
Break a Ruler Using Newspaper and Atmospheric Pressure
Science Project
Break a Ruler Using Newspaper and Atmospheric Pressure
This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.
Science
Science Project

Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.