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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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Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Ecology
Seventh Grade
Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.
Earth & Space Science
Sixth Grade
Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.
Earth & Space Science
Middle School
Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?
Weather and Climate
Second Grade
Looking for a way to keep your kid busy during the long, hot days of summer? These science projects will spark your young learner's curiosity going into the new school year. What's more, conducting an experiment or two is a great way to take your mind off the sweltering temperatures!
Weather and Climate
Astronomy
Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Weather and Climate
Elementary School
Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.
Weather and Climate
Fourth Grade
This experiment examines if space objects become round after reaching a certain mass.
Astronomy
High School
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
Astronomy
High School
Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.
Ecology
Middle School
This science project examines the thermal properties of several major greenhouse gases.
Earth & Space Science
High School
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Earth & Space Science
Kindergarten

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