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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.

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1,618 results
1,618 results
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Too Hot To Handle
Science project
Too Hot To Handle
This science fair project idea discovers the average number on the Scoville scale that humans can endure in hot peppers before physical signs kick in.
Science
Science project
Ew Gross! Finding Germs in Your Kitchen
Science project
Ew Gross! Finding Germs in Your Kitchen
This science fair project idea determines how quickly germs and bacteria spread.
Science
Science project
How Right Is Rain?
Science project
How Right Is Rain?
This science fair project idea determines the properties of rainwater and examines the techniques for harvesting rainwater.
Science
Science project
Made In The Shade
Science project
Made In The Shade
This science fair project idea deals with the qualities of shade on a sunny day.
5th grade
Science
Science project
Powered Parachutes
Science project
Powered Parachutes
This science fair project idea looks into the concept of powered parachutes as the future of transportation.
Science
Science project
Small Packages
Science project
Small Packages
This science fair project idea attempts to develop a new or improved eco-friendly packing material.
Science
Science project
How Good is Your Sense of Smell?
Science project
How Good is Your Sense of Smell?
This science fair project idea determines if family members can recognize one another using only the sense of smell.
5th grade
Science
Science project
Blindfolded Taste Test
Science project
Blindfolded Taste Test
This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.
4th grade
Science
Science project
Off All the Nerve
Science project
Off All the Nerve
This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.
5th grade
Science
Science project
How Does Color Affect Memory?
Science project
How Does Color Affect Memory?
This science fair project idea determines the way in which color affects memorization.
Social studies
Science project
Marie Laure Ryan Experiment
Science project
Marie Laure Ryan Experiment
This science fair project idea studies how how do readers predict what events will happen next while reading a story.
Social studies
Science project
All About Wood
Science project
All About Wood
This science project has students collect wood samples and invent new uses for different types of wood based on its properties.
4th grade
Science
Science project
How High Is That?
Science project
How High Is That?
A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.
Science
Science project
Tidepools
Science project
Tidepools
This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools
Science
Science project
Vortex
Science project
Vortex
This science fair project challenges students to research vortices occurring in nature and then create their own vortex.
Science
Science project
True or False? The Lying Experiment
Science project
True or False? The Lying Experiment
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
5th grade
Social studies
Science project
Is Texting a New LNGWJ?
Science project
Is Texting a New LNGWJ?
This science project challenges high school students to study the linguistic evolution of text messaging.
Science
Science project
Bust That Rust!
Science project
Bust That Rust!
These science fair experiments demonstrate the chemistry of rust and the oxidation process.
4th grade
Science
Science project
Composting Food Scraps
Science project
Composting Food Scraps
The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.
5th grade
Science
Science project
Static Electricity Project
Science project
Static Electricity Project
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
5th grade
Science
Science project
How Does Salinity and Temperature Affect the Density of Water?
Science project
How Does Salinity and Temperature Affect the Density of Water?
The objective of this science fair project is to analyze the effects of salinity and temperature on water.
4th grade
Science
Science project
Glue Strength Comparison: Homemade Casein Glue and Commercial Glue
Science project
Glue Strength Comparison: Homemade Casein Glue and Commercial Glue
In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.
Science
Science project
Digestive Enzymatic Activity and Lipid Digestion
Science project
Digestive Enzymatic Activity and Lipid Digestion
Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.
Science
Science project
Impact Craters on the Moon
Science project
Impact Craters on the Moon
In this cool science project, model how impact craters form on the surface of the moon.
Science
Science project
The Photosynthesis Process and the Importance of Leaves
Science project
The Photosynthesis Process and the Importance of Leaves
The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.
5th grade
Science
Science project

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