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Geology Science Fair Project

Porosity and Permeability of Rocks: Holding Water, Gas and Oil

Porosity and Permeability of Rocks: Holding Water, Gas and Oil | Science Fair Projects | STEM Projects
In this project, you'll explore the properties of rocks that hold natural resources like oil, gas, and water. By testing different types of rocks, you'll test how porosity and permeability affect the amount of water they can hold and the potential for oil and gas.


The hypothesis is that different types of rocks have different porosities and permeability, affecting the amount of water they can hold.

Method & Materials

You will weigh, measure, and submerge six types of rocks in water. Then, you'll record their weights after 10 minutes and after 24 hours, and every day for three days.
You will need six types of rocks, a beaker for each rock sample, a graduated cylinder, an electronic balance, and water.


Shale and sandstone absorbed the most water, which implies they have the best combination of porosity and permeability to hold the water. Porosity is the measure of the tiny air spaces within a rock, while permeability is the ability of a rock to allow fluids to flow through it. Porosity refers to the rock's ability to hold a fluid, whereas permeability is the rock's ability to resist or allow the flow of a fluid through it. Thus, out of the rocks tested, shale and sandstone have the best potential to hold water, oil and gas.

Why do this project?

This science project is unique because it provides hands-on experience with rock formations' properties and potential to hold water, oil and gas.

Also Consider

Experiment variations include testing different types of rocks or changing the duration of submerging rocks in water. Additionally, the experiment can be repeated using oil to understand how well these rocks can hold oil.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

Hey there! Here are some awesome videos about this science project that we think you'll really like. They're not only super fun, but they'll also help you learn more about the science behind the project. So sit back, relax, and get ready to have some fun!!
Get ready for a mouth-watering demonstration of the impact of porosity and permeability on rocks - with chocolate and milk! By observing how easily bubbles can be blown through milk via porous and less porous chocolate, you can gain a better understanding of the importance of permeability in the movement of water and fluids through rocks. It's a creative and delicious way to learn about this important geological concept!
Discover the fascinating way in which the crevices and spaces within rocks can enhance their porosity, ultimately creating the perfect environment for water, oil, and gas to accumulate!
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