Earth and Space Science Fair Projects

Looking for science fair project ideas that will make your kid a star at his upcoming science fair?'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 experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.
Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.
Earth & Space Science
Fifth Grade
How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
Ninth Grade
This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.
Earth & Space Science
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
High School
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Earth & Space Science
This experiment examines if space objects become round after reaching a certain mass.
High School
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Weather and Climate
Middle School

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