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Elementary School Earth & Space Science - Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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In this free science fair project, explore and learn the process of igneous rock formation using construction paper, newspaper, and water.
Transformed: How is Igneous Rock Formed?
Elementary School
Earth & Space Science
This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.
Compost Sorting
Elementary School
Ecology
In this free science fair project, explore the method of separating salt and water in seawater using heat. A great science project for elementary school kids.
Sun Dried: How Can the Sun be Used to Separate Salt from Salt Water?
Elementary School
Earth & Space Science
In this free science fair project idea, we replicate how a meteorite would impact a planet.
Splat!: What Happens When a Meteorite Strikes a Planet?
Elementary School
Astronomy
In this free science fair project, learn how to change the direction of the needle compass using a magnet bar. A great project for elementary school kids.
Mapping: How is the Needle of a Compass Affected by Magnetic Fields?
Elementary School
Earth & Space Science
In this free science fair project idea, we model what a comet looks like.
Dirty Snowballs: What is a Comet Made Of?
Elementary School
Astronomy
In this free science fair project idea, we learn about how Saturn's rings of ice and rocks encircle the planet.
Ringed: How do the Rings of Saturn Lie Around the Planet?
Elementary School
Astronomy
The purpose of this science project is to learn how to measure sky distances with your hands. Use Education.com to find more fun science fair project ideas!
Sky Distances
Elementary School
Astronomy
This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.
Make Your Own Crystal Art
Elementary School
Earth & Space Science
In this free science fair project idea, we learn about how Mercury is smaller in size than Earth, in the planets of our solar system.
Big and Bigger: How Can the Sizes of Mercury and Earth be Compared?
Elementary School
Astronomy
Chances are, you don't see earthworms very often. These wiggly creatures like to bury themselves in the dirt, where it's dark and wet. Do they like the moisture, or the darkness? Find out as we explore the relationship between earthworms and light.
Earthworms and Light: Do Worms Prefer Darkness?
Earth & Space Science
Second Grade
Check out this elementary school science fair project on solar system and how the atmospheric thickness of Mercury's atmosphere affect images of its surface.
See-Through: How Does Mercury's Atmosphere Affect Images of its Surface?
Elementary School
Astronomy
In this experiment you explore how tectonic plates move to create land and expand bodies of water.
Exploring the Movement of Tectonic Plates with S'Mores
Elementary School
Earth & Space Science
Check out this fun and easy science fair project ideas for elementary school students on the comparison of masses of other planets to the mass of the Earth.
More or Less: How Do the Masses of Other Planets Compare to the Mass of Earth?
Elementary School
Astronomy
In this free science fair project idea, salt crystals dissolve in water, and then crystallize into epsom salt crystals.
Spindles: How Can You Observe the Natural Shape of Epsom Salt Crystals?
Elementary School
Oceans

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