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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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TV Commercials and Advertising Psychology Experiment
Science project
TV Commercials and Advertising Psychology Experiment
In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.
Social studies
Science project
Dig This: Biodegradation
Science project
Dig This: Biodegradation
How do organic materials become soil? This science experiment measures what materials biodegrade.
5th grade
Science
Science project
Earthquakes: What Can We Learn from History?
Science project
Earthquakes: What Can We Learn from History?
This science project examines the history of earthquakes and what we can do to prevent future disasters.
Science
Science project
What Is The Most Efficient Way Of Multitasking?
Science project
What Is The Most Efficient Way Of Multitasking?
The objective of this science fair project is to understand the effects of multitasking on the quality of work that is produced.
Social studies
Science project
Long Distance Short Distance Eyesight
Science project
Long Distance Short Distance Eyesight
This science fair project determines how age affects the speed that someone can change the focus of their eyes between near and far sightedness.
Science
Science project
How Does Color Affect Eyesight?
Science project
How Does Color Affect Eyesight?
This science fair project idea determines which colors are more difficult to read at a distance.
Science
Science project
How Do The Presence Of TV Mysteries Change Our Expectations Of Mystery Stories?
Science project
How Do The Presence Of TV Mysteries Change Our Expectations Of Mystery Stories?
This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.
Social studies
Science project
What is Sustainable Development?
Science project
What is Sustainable Development?
This science fair project will investigate a type of sustainable development project.
Science
Science project
What is Conservation?
Science project
What is Conservation?
This science fair project will go beyond the simple definition of conservation to explore the different facets of what conservation means.
Science
Science project
What Effect Does Oil have on Birds?
Science project
What Effect Does Oil have on Birds?
This science fair project determines how oil affects a bird’s waterproofing.
Science
Science project
What Do Leaves Do?
Science project
What Do Leaves Do?
This science fair project idea teaches kids the different functions of a leaf.
Science
Science project
Rainforest Feast; Investigating how Foods are Grown in the Rainforest
Science project
Rainforest Feast; Investigating how Foods are Grown in the Rainforest
In this project, students will learn what and how foods are grown in rain forests and if there are sustainable methods that can be used.
Science
Science project
Explore Wildlife Rehabilitation
Science project
Explore Wildlife Rehabilitation
This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.
Science
Science project
How do Plants Absorb Water?
Science project
How do Plants Absorb Water?
Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!
2nd grade
Science
Science project
Where Did All the Wild Things Go?
Science project
Where Did All the Wild Things Go?
This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.
5th grade
Science
Science project
Giant Plants! Do Plants Need Commercial Food?
Science project
Giant Plants! Do Plants Need Commercial Food?
This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.
5th grade
Science
Science project
Apples and Potatoes
Science project
Apples and Potatoes
The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.
4th grade
Science
Science project
Getting The Soap Out!
Science project
Getting The Soap Out!
Investigate which substances are most effective at removing salt from water.
Science
Science project
Make Your Own Fizzy Lemonade
Science project
Make Your Own Fizzy Lemonade
This science fair experiment idea's objective is to understand the general concept of an acid and a base.
3rd grade
Science
Science project
Homemade Lava Lamp
Science project
Homemade Lava Lamp
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
4th grade
Science
Science project
Edible Neuron Diagram
Science project
Edible Neuron Diagram
This science fair project idea's objective is to understand the architecture and function of neurons and their key components.
Science
Science project
Reusing Your Trash
Science project
Reusing Your Trash
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
2nd grade
Science
Science project
Astonishing Apples! What Preserves Apples Best?
Science project
Astonishing Apples! What Preserves Apples Best?
The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.
Science
Science project
Does Carbon Dioxide Raise the Temperature of the Atmosphere?
Science project
Does Carbon Dioxide Raise the Temperature of the Atmosphere?
The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.
Science
Science project
Effect of Acid Rain on Dissolved Oxygen Concentration
Science project
Effect of Acid Rain on Dissolved Oxygen Concentration
Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.
Science
Science project

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