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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 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?
Elementary School
Geology
In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.
How Do Weather Conditions Affect How Fast a Puddle Evaporates?
Elementary School
Weather and Climate
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?
Elementary School
Geology
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
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Weather and Climate
Fourth Grade
Fun elementary school science fair project which explains how the way the axis of a planet is tilted in relation to the Sun affect its surface temperature.
How Hot?: How Does a Planet's Distance From the Sun Affect its Temperature?
Elementary School
Astronomy
This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.
Where Did All the Wild Things Go?
Ecology
Fifth Grade
In this science fair project, students discover how sedimentary layers form as sediments like mud silt and sand settle over time.
How do Sedimentary Layers Form?
Elementary School
Geology
Free science fair project idea about using microscopes and magnifying lens to find out what grainy soil particles make up dirt.
Grainy: What Kinds of Particles Make up Soil?
Elementary School
Geology
The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.
Composting Food Scraps
Elementary School
Ecology
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Mapping the Energy Use of My Classroom
Elementary School
Ecology
This project tests the feasibility of earthworms as a means of recycling kitchen waste into fertile garden soil.
Can Earthworms be Used to Recycle Kitchen Wastes into Fertile Garden Soil?
Ecology
Fourth Grade
Check out this cool elementary school science fair project idea which helps students explore the reasons for the brightness of planets and the moon in the sky.
Brighter: Why are Planets and the Moon so Bright in the Sky?
Elementary School
Astronomy
In this science fair project, students will use the streak test to tell minerals apart from each other.
Streak Test: A Way to Tell Minerals Apart
Elementary School
Earth & Space Science
In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.
How Does Glacier Movement Affect Earth?
Elementary School
Earth & Space Science

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