Science Fair Project Ideas

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Apples and Potatoes
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 Project
Getting The Soap Out!
Getting The Soap Out!
Science Project
Getting The Soap Out!
Investigate which substances are most effective at removing salt from water.
Science Project
Make Your Own Fizzy Lemonade
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 Project
Homemade Lava Lamp
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
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 Project
Reusing Your Trash
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 Project
Astonishing Apples! What Preserves Apples Best?
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?
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 Project
Effect of Acid Rain on Dissolved Oxygen Concentration
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 Project
Cafeteria Waste
Cafeteria Waste
Science Project
Cafeteria Waste
This science fair project idea observes products available in the school cafeteria and waste produced by these products.
4th grade
Science Project
Dirty Air
Dirty Air
Science Project
Dirty Air
This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.
3rd grade
Science Project
Build a Rainforest Terrarium
Build a Rainforest Terrarium
Science Project
Build a Rainforest Terrarium
A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.
Science Project
The Mozart Effect
The Mozart Effect
Science Project
The Mozart Effect
This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.
5th grade
Social studies
Science Project
The Psychology of Feeling Watched
The Psychology of Feeling Watched
Science Project
The Psychology of Feeling Watched
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
5th grade
Social studies
Science Project
Compost Sorting
Compost Sorting
Science Project
Compost Sorting
This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.
4th grade
Science Project
Fireflies, Glow worms, and Bioluminescence
Fireflies, Glow worms, and Bioluminescence
Science Project
Fireflies, Glow worms, and Bioluminescence
This science project helps students gain understanding of bioluminescence, the phenomenon that allows fireflies and glow worms to give off light.
Science Project
Creatures That Bug Us
Science Project
Creatures That Bug Us
There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
2nd grade
Science Project
TV Commercials and Advertising Psychology Experiment
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
Dig This: Biodegradation
Science Project
Dig This: Biodegradation
How do organic materials become soil? This science experiment measures what materials biodegrade.
5th grade
Science Project
Earthquakes: What Can We Learn from History?
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 Project
What Is The Most Efficient Way Of Multitasking?
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
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 Project
How Does Color Affect Eyesight?
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 Project
How Do The Presence Of TV Mysteries Change Our Expectations Of Mystery Stories?
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?
What is Sustainable Development?
Science Project
What is Sustainable Development?
This science fair project will investigate a type of sustainable development project.
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.