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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

Up Periscope or Down?

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Vitamin E is for Exquisite Looking Skin

In this project, the affects of vitamin E are observed on a rose petal.

In the Air and All Around

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

In this project, the affect of acid rain is simulated by the acid, vinegar.

Pareidolia: People Hear What They Want to Hear

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

Do Dogs Understand English?

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Sound Physics: The Difference Between Sound and Noise

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this 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.

Compost Sorting

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

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.

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.

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.

Dig This: Biodegradation

How do organic materials become soil? This science experiment measures what materials biodegrade.

Earthquakes: What Can We Learn from History?

This science project examines the history of earthquakes and what we can do to prevent future disasters.

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.

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.

How Does Color Affect Eyesight?

This science fair project idea determines which colors are more difficult to read at a distance.

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.

What is Sustainable Development?

This science fair project will investigate a type of sustainable development 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.

What Effect Does Oil have on Birds?

This science fair project determines how oil affects a bird’s waterproofing.

What Do Leaves Do?

This science fair project idea teaches kids the different functions of a leaf.

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.

Explore Wildlife Rehabilitation

This science fair project idea teaches what wildlife rehabilitators do and about the process of wildlife rehabilitation.

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