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Earth and Space Science Fair Projects

Looking for science fair project ideas that will make your kid a star at his upcoming science fair? Education.com's editorial staff has curated a rich collection of cool Earth and space science fair projects written by our team of talented professional scientists, science teachers, and educational consultants. Our Earth science projects and Earth science experiments give inquisitive kids the opportunity to identify unknown minerals and discover why certain volcanic rocks can float. Our space science projects give students the chance to do everything from building a model rocket to determining the elliptical path of a planet's orbit using applied math.

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A Bridge to Nowhere

In this science project, the center of gravity is explored.

The Hydrologic Cycle

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

How to Make Salt Water Drinkable

This science fair project examines whether ocean water can be made safe to drink.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

UV Radiation Protection

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

The Passing of Time

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Backyard Biosphere

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

Apparent Movement of the Sun

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

How do Culverts Affect Plant Growth in Streams?

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Make Your Own Crystal Art

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Effects of Chemical Weathering on Rocks

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

How Does Salinity and Temperature Affect the Density of Water?

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Primary Sensory Cortex

This high school science fair project idea helps you compare the sensitivity of touch receptors in different areas of the body and between different people.

Magnetic Field Strength vs. Distance

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Windy Weather II: The Correlation Between Barometric Pressure and Wind Velocity

This science project researches the correlation between barometric pressure and wind velocity.

Color And Temperature

This science fair project idea investigates how color affects temperature.

How do Disinfectants Work?

This science fair project idea investigates how different disinfectants work in killing germs.

Salty Ocean Circulation

Science fair project that models the effect of global warming on the ocean's circulation.

This science fair project idea explores the egg's thin membrane.

Relationship Between the Distance and Time of a Falling Object

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

Tumbling Rocks!

Science fair project that demonstrate how abrasions are formed on rocks in nature and the variations between types of rocks.

How Accurate is Using a Sundial Compared to an Atomic Clock?

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

What Direction Should Solar Panels Face?

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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