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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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This science fair project idea produces consumable fresh water from salt water through desalination.
Earth & Space Science
Elementary School
What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!
Ecology
Weather and Climate
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
Earth & Space Science
Astronomy
Is your kid crazy about science? Check out this selection of advanced science projects that revolve around the sun.
Weather and Climate
Astronomy
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
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Weather and Climate
Third Grade
Science fair project that examines whether different types of algae produce the same amount of oil by comparing the surface beading of water droplets.
Earth & Space Science
Sixth Grade
Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.
Ecology
Middle School
How are rocks formed? In this free science fair project, you can learn how to make rocks by collecting a mixture of minerals. Great science project for kids.
Earth & Space Science
Geology
Free science fair project idea examining how different types of water affect plant germination and growth.
Earth & Space Science
Middle School

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