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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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Let's Go Caving!

Science fair project that demonstrates how stalagmites and stalactites are formed.

Composting Food Scraps

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Most Popular Soda

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Impact Craters on the Moon

In this cool science project, model how impact craters form on the surface of the moon.

Demonstrating Water Erosion Of Land Masses

This science fair project idea demonstrates the process of land erosion.

Civilizations Buried Alive

This science fair project idea helps develop new and improved earthquake detection methods and techniques.

Soil Porosity: Sand, Silt, and Clay

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

World's First Energy-Saving Microcontroller Powered Generator

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Acid Rain: Should We Be Concerned?

This science fair project idea will be examining oxidation and acid rain

A Bridge to Nowhere

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

Understanding Sonar Mapping of the Ocean Floor

This science fair project idea demonstrates sonar mapping of the ocean floor.

This science fair project idea produces consumable fresh water from salt water through desalination.

Are People Taller in the Morning?

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Retrograde Mode

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

How Does Color Affect Drying Time?

Do your laundry and your science project simultaneously!

Atomic Mass of Silver

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Surface Features of the Moon Model

In this fun science project you'll create a 3-D model of the moon using paper mache.

Aerogel - Super Insulator, Super Sponge

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Blimey! It's Slimey!

Science fair project that cultivates slime mold and monitors the stages of its development.

Orbital Eccentricity

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Atmosperhic Layers

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Whether Weathervanes Predict Weather

Science fair project that determines the correlation between wind direction and subsequent weather patterns.

Speedy Snail Race

This science experiment has students test whether a snail moves faster on concrete or dirt.

Effects of Acid Rain on Plant Growth

This science fair project idea researches the effects of acid rain on plant growth.

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