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Science Fair Project Ideas

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Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
Science Project
Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity
This science project researches the correlation between barometric pressure and wind velocity.
Science
Science Project
Comparing Different Methods of Assessing Turbidity
Comparing Different Methods of Assessing Turbidity
Science Project
Comparing Different Methods of Assessing Turbidity
The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.
Science
Science Project
Counting Air Particulate Matter
Counting Air Particulate Matter
Science Project
Counting Air Particulate Matter
Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.
Science
Science Project
Queenstown Creek: Land Use Vs. Water Quality
Science Project
Queenstown Creek: Land Use Vs. Water Quality
This project researches whether the type of land use affects the water quality of Queenstown Creek.
Science
Science Project
What Affects the Appearance of Afterimages?
What Affects the Appearance of Afterimages?
Science Project
What Affects the Appearance of Afterimages?
This project is about after-images and what possibly affects them.
Social studies
Science Project
Light Intensity and Distance
Light Intensity and Distance
Science Project
Light Intensity and Distance
In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!
3rd grade
Science
Science Project
Effect of Food On Mosquito Growth
Effect of Food On Mosquito Growth
Science Project
Effect of Food On Mosquito Growth
This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower
Science
Science Project
Horseshoe Crab Density
Horseshoe Crab Density
Science Project
Horseshoe Crab Density
This project studies how density maximizes the growth of juvenile limulus polyphemus (Horseshoe Crabs)
Science
Science Project
Fruit Battery
Fruit Battery
Science Project
Fruit Battery
Construct batteries that make electricity from fruits with this fun science fair project.
5th grade
Science
Science Project
Reservoir Capacity of Igneous, Sedimentary, and Metamorphic Rocks
Reservoir Capacity of Igneous, Sedimentary, and Metamorphic Rocks
Science Project
Reservoir Capacity of Igneous, Sedimentary, and Metamorphic Rocks
Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.
5th grade
Science
Science Project
Which Type of Sunglass Lenses Gives the Best Sun Protection?
Which Type of Sunglass Lenses Gives the Best Sun Protection?
Science Project
Which Type of Sunglass Lenses Gives the Best Sun Protection?
Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!
Science
Science Project
What Is the Most Effective Sunscreen?
What Is the Most Effective Sunscreen?
Science Project
What Is the Most Effective Sunscreen?
Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!
Science
Science Project
How to Make a Steam Powered Rocket Boat
How to Make a Steam Powered Rocket Boat
Science Project
How to Make a Steam Powered Rocket Boat
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
4th grade
Science
Science Project
Renewable Energy Project for Kids: Power from Water
Renewable Energy Project for Kids: Power from Water
Science Project
Renewable Energy Project for Kids: Power from Water
Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.
5th grade
Science
Science Project
Plants Help Keep a House Cool!
Plants Help Keep a House Cool!
Science Project
Plants Help Keep a House Cool!
Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.
Science
Science Project
Heat from Light Bulbs
Science Project
Heat from Light Bulbs
This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.
4th grade
Science
Science Project
Solar Hot Dog Cooker
Solar Hot Dog Cooker
Science Project
Solar Hot Dog Cooker
Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.
Science
Science Project
Air Power for Transportation
Science Project
Air Power for Transportation
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Science
Science Project
Building a Wind Gauge
Building a Wind Gauge
Science Project
Building a Wind Gauge
How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Science
Science Project
How to Make an Anemometer
How to Make an Anemometer
Science Project
How to Make an Anemometer
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
4th grade
Science
Science Project
How Light Affects Plant Growth
How Light Affects Plant Growth
Science Project
How Light Affects Plant Growth
How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.
Science
Science Project
Germination: "The Birth of a Plant"
Science Project
Germination: "The Birth of a Plant"
Science
Science Project
Do Plants Start Off Better with Distilled Water, Miracle Gro or a Complete Nutrient?
Do Plants Start Off Better with Distilled Water, Miracle Gro or a Complete Nutrient?
Science Project
Do Plants Start Off Better with Distilled Water, Miracle Gro or a Complete Nutrient?
Science
Science Project
Do Gender and Age Affect Smiling?
Do Gender and Age Affect Smiling?
Science Project
Do Gender and Age Affect Smiling?
This science fair experiment examines the relationship between gender, age, and smiling.
Social studies
Science Project
Diffusion, Membranes, and Cryogenics: Can We Freeze Cells?
Diffusion, Membranes, and Cryogenics: Can We Freeze Cells?
Science Project
Diffusion, Membranes, and Cryogenics: Can We Freeze Cells?
Can cells be frozen? This science fair project provides information to answer this question.
Science
Science Project
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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.