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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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Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.
Earth & Space Science
Second Grade
Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?
Ecology
Fifth Grade
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
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
Weather and Climate
Fourth Grade
Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.
Ecology
Environmental Issues
Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.
Ecology
Weather and Climate
Compare the amount of ozone in various locations.
Environmental Issues
Seventh Grade
This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.
Earth & Space Science
Elementary School
This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Geology
Elementary School
Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.
Weather and Climate
Fifth Grade

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