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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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Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Weather and Climate
Fourth Grade
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Weather and Climate
Fifth Grade
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
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
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Weather and Climate
Second Grade
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
In this fun experiment, we'll find out how color affects heat absorption!
Weather and Climate
Fifth Grade
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Weather and Climate
Middle School
Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.
Weather and Climate
Sixth Grade
Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.
Weather and Climate
Ninth Grade
How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Weather and Climate
Middle School
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Weather and Climate
Second Grade
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Weather and Climate
Elementary School
How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.
Weather and Climate
Second Grade

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