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Science Fair Project Ideas

1,434 results
1,434 results
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Ice Melting
Ice Melting
Science Project
Ice Melting
Will the shape of an ice cube impact how fast the ice melts?
5th grade
Science Project
Electric Energy Drinks
Electric Energy Drinks
Science Project
Electric Energy Drinks
Explore the electrical energy present in energy drinks.
Science Project
How to Make Gel Stronger
How to Make Gel Stronger
Science Project
How to Make Gel Stronger
This experiment will explore whether adding different substances to a gel affects its strength.
Science Project
How Do Different Materials Affect Air Resistance?
How Do Different Materials Affect Air Resistance?
Science Project
How Do Different Materials Affect Air Resistance?
This project will examine the relationship between materials and air resistance.
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 Project
Intuitive Elements
Intuitive Elements
Science Project
Intuitive Elements
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Science Project
Finding Dominant Color Traits in Guppies
Finding Dominant Color Traits in Guppies
Science Project
Finding Dominant Color Traits in Guppies
This experiment explores the most common colors that appear among a sample of crossbred guppies.
Science Project
Do Lunar Cycles Affect Human Behavior?
Do Lunar Cycles Affect Human Behavior?
Science Project
Do Lunar Cycles Affect Human Behavior?
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
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 Project
Conservation of Mass
Conservation of Mass
Science Project
Conservation of Mass
Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.
Science Project
Windmill Model Science Project
Windmill Model Science Project
Science Project
Windmill Model Science Project
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
5th grade
Science Project
Forest Food Pyramid Project
Forest Food Pyramid Project
Science Project
Forest Food Pyramid Project
Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.
3rd grade
Science Project
Scale Model of the Solar System
Scale Model of the Solar System
Science Project
Scale Model of the Solar System
In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!
4th grade
Science
Science Project
Bouncing Ball Physics: What is Elasticity?
Bouncing Ball Physics: What is Elasticity?
Science Project
Bouncing Ball Physics: What is Elasticity?
What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.
3rd grade
Science Project
Talking to Plants
Talking to Plants
Science Project
Talking to Plants
This science fair project idea explores whether talking to a plant will help it grow.
3rd grade
Science
Science Project
A Single Movable Pulley and Mechanical Advantage
A Single Movable Pulley and Mechanical Advantage
Science Project
A Single Movable Pulley and Mechanical Advantage
Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.
4th grade
Science Project
Floating Paper Clip
Science Project
Floating Paper Clip
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
2nd grade
Science Project
Like Oil And Vinegar
Like Oil And Vinegar
Science Project
Like Oil And Vinegar
This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.
2nd grade
Science Project
Homemade Electroscope
Homemade Electroscope
Science Project
Homemade Electroscope
Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.
Science Project
Greenhouse Effect
Science Project
Greenhouse Effect
Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.
Science Project
Candy pH
Candy pH
Science Project
Candy pH
Take a dive into the candy jar with this yummy science experiment.
4th grade
Science Project
Sink or Swim: Calculating Density of Fruits and Vegetables
Sink or Swim: Calculating Density of Fruits and Vegetables
Science Project
Sink or Swim: Calculating Density of Fruits and Vegetables
Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.
5th grade
Science
Science Project
How Sound Travels Through Air and Solids
How Sound Travels Through Air and Solids
Science Project
How Sound Travels Through Air and Solids
This classic children's game demonstrates how sound travels through air vs. through a solid.
Kindergarten
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 Project
Strong Bridges
Strong Bridges
Science Project
Strong Bridges
This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.
5th grade
Science Project
Plane Mirror Reflection Experiment
Plane Mirror Reflection Experiment
Science Project
Plane Mirror Reflection Experiment
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
5th grade
Science
Science Project
Testing the Solubility of Common Liquid Solvents
Testing the Solubility of Common Liquid Solvents
Science Project
Testing the Solubility of Common Liquid Solvents
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
4th grade
Science
Science Project
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Science Project
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
4th grade
Science Project
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
Science Project
A Trick for the Eyes: Color Wheels and Optical Illusion Tops
This science fair project idea experiments with spinning color wheels and optical illusions.
5th grade
Science
Science Project
Fingerprint Analysis: A Family Case Study
Fingerprint Analysis: A Family Case Study
Science Project
Fingerprint Analysis: A Family Case Study
Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!
2nd grade
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.