Summer
Guided LessonsLearning ResourcesTeaching Tools

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.
Filters
Search
308 Results
Sort by:
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Cold Desert Plants
It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.
Energy From Garbage: How to Make Biogas
Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.
How do Culverts Affect Plant Growth in Streams?
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Flow Rate and Plant Growth
In this science fair project, students create their own miniature salt flats at home.
Create Your Own Miniature Salt Flats!
Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.
How to Prevent Erosion
In this science fair project, students will use four different household objects to see which ones form the most or best crystals.
Substrate City: What Household Objects Form the Best Crystals?
This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.
The Mohs Test: How to Compare the Hardness of Minerals
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Popcorn Pumice: Exploring Different Rock Densities
Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.
Starry Night: What Affects the Visibility of Stars at Night?
In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.
Soil Porosity: Sand, Silt, and Clay
In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.
What Causes Dew?
The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!
Why Does the Moon Glow?
Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!
Testing the Ozone
Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.
How to Make a Hygrometer: Sling Psychrometer
Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
Comparing Infrared and Air Temperature
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.

How likely are you to recommend Education.com to your friends and colleagues?

Not at all likely
Extremely likely