Science Fair Project Ideas

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The Chemistry of Dyeing Easter Eggs
Science Project
The Chemistry of Dyeing Easter Eggs
What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!
4th grade
Science Project
Solar Eclipse Model
Science Project
Solar Eclipse Model
Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.
1st grade
Science Project
Why Does the Moon Glow?
Science Project
Why Does the Moon Glow?
The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!
3rd grade
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 Project
Dirty Composition
Dirty Composition
Science Project
Dirty Composition
This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.
Science
Science Project
Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box
Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box
Science Project
Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box
Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.
Science Project
Air Pollution
Air Pollution
Science Project
Air Pollution
Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.
Science Project
Defying Gravity
Defying Gravity
Science Project
Defying Gravity
Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.
Science Project
Cats & Dogs
Cats & Dogs
Science Project
Cats & Dogs
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
3rd grade
Social studies
Science Project
Ergonomics
Ergonomics
Science Project
Ergonomics
Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Science Project
Are There Other Animals that Glow Under a Black Light Besides Scorpions?
Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.
4th grade
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
A Rocky Quiz
A Rocky Quiz
Science Project
A Rocky Quiz
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
3rd grade
Science Project
Flexibility & Age
Flexibility & Age
Science Project
Flexibility & Age
Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.
Science Project
Food Contamination
Food Contamination
Science Project
Food Contamination
Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.
Science Project
Form and Function
Form and Function
Science Project
Form and Function
Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.
1st grade
Science Project
What is Plant Transpiration?
What is Plant Transpiration?
Science Project
What is Plant Transpiration?
This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.
5th grade
Science Project
Fuel Efficiency
Fuel Efficiency
Science Project
Fuel Efficiency
Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.
Science Project
Spectrum Spinners
Spectrum Spinners
Science Project
Spectrum Spinners
Check out this cool science fair project idea on spectrum spinners and investigate how certain color combination can produce other colors.
Science Project
Improving Memory
Improving Memory
Science Project
Improving Memory
Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.
Science Project
Scavenger Hunt! Understanding Opaque, Translucent, and Transparent
Scavenger Hunt! Understanding Opaque, Translucent, and Transparent
Science Project
Scavenger Hunt! Understanding Opaque, Translucent, and Transparent
Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.
Science Project
High School Memories
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.
Science Project
Best Insulators
Best Insulators
Science Project
Best Insulators
This science fair project idea examines which type of insulation holds in the most heat.
3rd grade
Science Project
Herd Behavior
Herd Behavior
Science Project
Herd Behavior
This science fair project demonstrates the "power of conformity".
Science Project
How Do Generics Measure Up?
How Do Generics Measure Up?
Science Project
How Do Generics Measure Up?
This science fair project determines the quality of a given product.
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.