Science Fair Project Ideas

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1,593 filtered results
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Unpuckering the Persimmon
Unpuckering the Persimmon
Science Project
Unpuckering the Persimmon
This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.
5th grade
Science
Science Project
What Is the Best Way to Wash Your Hands?
What Is the Best Way to Wash Your Hands?
Science Project
What Is the Best Way to Wash Your Hands?
This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.
Kindergarten
Science
Science Project
The Effects of Different Substances on Melting Ice While Protecting the Lawn
The Effects of Different Substances on Melting Ice While Protecting the Lawn
Science Project
The Effects of Different Substances on Melting Ice While Protecting the Lawn
Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.
Science
Science Project
Reusable Candle
Reusable Candle
Science Project
Reusable Candle
In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.
Science
Science Project
Most Popular Soda
Most Popular Soda
Science Project
Most Popular Soda
The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.
4th grade
Science
Science Project
Deer Behavior
Deer Behavior
Science Project
Deer Behavior
This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.
3rd grade
Science
Science Project
Trubbles With Bubbles
Trubbles With Bubbles
Science Project
Trubbles With Bubbles
This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.
4th grade
Science
Science Project
Perpetual Motion Machine
Perpetual Motion Machine
Science Project
Perpetual Motion Machine
The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.
Science
Science Project
Which Cheese Grows Mold The Fastest?
Which Cheese Grows Mold The Fastest?
Science Project
Which Cheese Grows Mold The Fastest?
The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?
Science
Science Project
Ew... Brown Guacamole!
Ew... Brown Guacamole!
Science Project
Ew... Brown Guacamole!
This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.
Kindergarten
Science
Science Project
Can Dog Drool Kill Germs?
Can Dog Drool Kill Germs?
Science Project
Can Dog Drool Kill Germs?
This science experiment tests if dog saliva can really help heal wounds.
5th grade
Science
Science Project
Sand Man
Sand Man
Science Project
Sand Man
This science fair project discovers the properties and uses of sand and develops new or improved methods, techniques, or products involving sand.
Science
Science Project
Spiral Architect
Spiral Architect
Science Project
Spiral Architect
This science fair project idea discovers the practical applications for the structural design of a snail shell.
Science
Science Project
Lighthouse Redesign
Lighthouse Redesign
Science Project
Lighthouse Redesign
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
Science
Science Project
Developing a New, Improved Cold Pack
Developing a New, Improved Cold Pack
Science Project
Developing a New, Improved Cold Pack
The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.
Science
Science Project
Rooftop Real Estate
Rooftop Real Estate
Science Project
Rooftop Real Estate
This science fair project idea increases the space efficiency of living areas and encourages economic improvements via new real estate ideas.
Science
Science Project
Tiny Realtor
Tiny Realtor
Science Project
Tiny Realtor
This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.
Science
Science Project
Why Do Greens Turn Brown?
Why Do Greens Turn Brown?
Science Project
Why Do Greens Turn Brown?
This science fair project teaches students about wilting and browning of salad greens.
Kindergarten
Science
Science Project
Speedy Snail Race
Speedy Snail Race
Science Project
Speedy Snail Race
This science experiment has students test whether a snail moves faster on concrete or dirt.
1st grade
Science
Science Project
Can Cooked Beans Grow?
Can Cooked Beans Grow?
Science Project
Can Cooked Beans Grow?
The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.
Science
Science Project
Why Do Leaves Change Color in the Fall?
Why Do Leaves Change Color in the Fall?
Science Project
Why Do Leaves Change Color in the Fall?
This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.
Science
Science Project
Clear or Opaque?
Clear or Opaque?
Science Project
Clear or Opaque?
This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?
3rd grade
Science
Science Project
Does Your Tap Water Have Salt in It?
Does Your Tap Water Have Salt in It?
Science Project
Does Your Tap Water Have Salt in It?
This science project challenges students to study the salt content in tap water and learn about electrochemistry.
Science
Science Project
Keeping Cut Flowers Fresh
Keeping Cut Flowers Fresh
Science Project
Keeping Cut Flowers Fresh
This science experiment tests whether warm or cold water works best in making cut flowers last longer.
3rd grade
Science
Science Project
Which Food Will Mold the Fastest?
Which Food Will Mold the Fastest?
Science Project
Which Food Will Mold the Fastest?
This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.
1st grade
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.