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Earth & Space Science - Science Fair Project Ideas

Find the earth & space science, science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.
Edge Effect
Ecology
Environmental Issues
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Can You Cook Using Only Sunlight?
Weather and Climate
Middle School
This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.
Which Type Of Rocks Are Most Damaged By Freezing?
Geology
Elementary School
Check out this fun elementary science project idea about types of rocks formed after cooling down of magma or lava and intrusive and extrusive igneous rocks.
Fire Rocks: What Type of Rock is Formed When Lava Cools?
Geology
Elementary School
How do clouds form? Can clouds be made manually? In this free science fair project, you can make clouds using simple materials.
Making Clouds
Earth & Space Science
Weather and Climate
In this free science fair project idea, we model the movement of worms and fish by analyzing their swim bladder and peristalsis movement methods.
Creative Movements: What Causes the Wavelike Movement in an Earthworm’s Body?
Oceans
Elementary School
This science fair project determines the average and individual concentrations of salt found in water from various points along an estuary.
How Does Saltwater Mix in an Estuary
Ecology
Middle School
The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.
Does Carbon Dioxide Raise the Temperature of the Atmosphere?
Ecology
High School
This science fair project idea enhances awareness of local food production and food sourcing.
Where Does Your Food Come From?
Ecology
Elementary School
This science fair project will investigate a type of sustainable development project.
What is Sustainable Development?
Ecology
High School
Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.
How Fast Does a Seismic Wave Travel?
Earth & Space Science
Elementary School
Does earth's rotation affect the launching of a space rocket? How does it affect the launching? Do this free science fair project and explore these questions.
Demonstrate How Earth's Rotation Affects Launching a Rocket into Space
Earth & Space Science
Middle School
Which is bigger - the sun or the moon? Why do they appear to be the same size in the sky? Do this free science fair project and explore apparent size.
Determine Why the Sun and the Moon Appear to Be the Same Size in the Sky
Astronomy
Middle School
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Crystal Fudge
Geology
Eighth Grade
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
Geology
Third Grade

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