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Geology Science Fair Project Ideas

Browse from many free geology science fair project ideas. These geology science fair projects are a great place to find ideas for an upcoming science fair.

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In this free science fair project idea, we learn about how scientists use indicators to predict the earth's climate and geology many years ago.
Indicators: How do Scientists Gather Clues to Climates of the Past?
Geology
Elementary School
This science fair project idea uses the process of chemical weathering to change a mineral.
Chemical Weathering
Geology
Elementary School
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
Geology
Elementary School
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 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?
Geology
Elementary School
Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.
Exploring Soil Sandwiches
Geology
Fourth Grade
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
In this science fair project, students create their own miniature salt flats at home.
Create Your Own Miniature Salt Flats!
Geology
Fourth Grade
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
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?
Geology
Elementary School
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
Geology
Elementary School
In this free science fair project idea, we learn about how the Greek mathematician Eratosthenes determined the size and shape of the earth with geometry.
Ancient Techniques of Determining Earth's Size and Shape
Geology
Middle School
This science fair project idea explores how water and ice can change the form of rocks.
How Water Beats Rock
Geology
Elementary School
Here is a cool science fair project idea for elementary school students on the effects of volcanic explosion on the amount of water in rivers and streams.
Before and After: How do Streams and Rivers Behave Before and After a Volcanic Explosion?
Geology
Elementary School
In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.
Pasta Coquina: Make Your Own Sedimentary Rock
Geology
Kindergarten

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