Science Fair Project Ideas

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Glue Strength Comparison: Homemade Casein Glue and Commercial Glue
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
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 Project
Impact Craters on the Moon
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 Project
The Photosynthesis Process and the Importance of Leaves
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 Project
Testing pH Levels in Everyday Foods and Household Products
Science Project
Testing pH Levels in Everyday Foods and Household Products
The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.
Science
Science Project
Sensor Robot Maze
Sensor Robot Maze
Science Project
Sensor Robot Maze
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Science Project
Making Invisible Ink - The Magic of Oxidation
Making Invisible Ink - The Magic of Oxidation
Science Project
Making Invisible Ink - The Magic of Oxidation
The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.
Science Project
Magic with Magnets
Magic with Magnets
Science Project
Magic with Magnets
The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.
Science Project
Color and Heat Absorption
Color and Heat Absorption
Science Project
Color and Heat Absorption
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
3rd grade
Science Project
How to Inflate a Balloon Using Baking Soda and Vinegar
How to Inflate a Balloon Using Baking Soda and Vinegar
Science Project
How to Inflate a Balloon Using Baking Soda and Vinegar
Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.
4th grade
Science Project
Soil Porosity: Sand, Silt, and Clay
Soil Porosity: Sand, Silt, and Clay
Science Project
Soil Porosity: Sand, Silt, and Clay
In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.
Science Project
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
Science Project
The Lipase-Bile Relationship in the Digestion of Fats & Oils (Lipids)
This science fair project idea determines if pancreatic lipase can break down lipids on its own or does it require the assistance of digestive bile salt.
Science Project
Principles of Air Pressure
Principles of Air Pressure
Science Project
Principles of Air Pressure
The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
4th grade
Science Project
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
Science Project
Craters! Can We Simulate How Craters Are Formed and Predict Their Size and Shape?
The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.
Science
Science Project
Which Fruit Has the Most Vitamin C?
Which Fruit Has the Most Vitamin C?
Science Project
Which Fruit Has the Most Vitamin C?
Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!
Science
Science Project
I Double Dare You
I Double Dare You
Science Project
I Double Dare You
This science fair project idea explores edible things you didn't know you could eat.
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
Science Project
Soccer Physics: Does the Amount of Air Inside the Ball Affect How Far It Goes?
The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.
Science
Science Project
Layered Liquids (A Study in Density)
Layered Liquids (A Study in Density)
Science Project
Layered Liquids (A Study in Density)
This science fair project idea examines liquids of different densities.
4th grade
Science Project
Microwave Madness
Microwave Madness
Science Project
Microwave Madness
This science project idea examines the effect of microwaving on various objects.
4th grade
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 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 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 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 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 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.