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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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In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.
Earth & Space Science
Third Grade
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Ecology
Third Grade
Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.
Ecology
Third Grade
Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!
Environmental Issues
Ecology
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Geology
Ninth Grade
What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!
Ecology
Weather and Climate
Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.
Earth & Space Science
Middle School
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Ecology
Sixth Grade

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