# All Science Fair Projects

## Over 1000 FREE Science Fair Project Ideas!

 Topics  > Earth Science  > Geology
 Build a model to demonstrate how earthquakes are causedThe apparatus consists of a heavy object that is dragged steadily with an elastic cord. Although pulled with a constant velocity, the heavy object repeatedly slides and then stops. A small vibration sensor, attached to a computer display, graphically monitors this intermittent motion.
Difficulty: High school
 Cave Formations: Stalactite and Stalagmite FormationCaves are amazing underground places. They are not just dark, damp places full of bats. Caves have features that are found nowhere else on Earth. Two such features are called stalactites and stalagmites. These are the icicle-like formations that hang from a cave ceiling and cone shaped formations that pile up on the cave floor. How did these fascinating cave features form? Just how does a stalacti
Difficulty
 Compare the porosity of different types of soilSoils are made of particles of different types and sizes. The space between particles is called pore space. Pore space determines the amount of water that a given volume of soil can hold. Porosity is the percentage of the total volume of soil that consists of pore space. This is an important measurement in areas where drinking water is provided by groundwater reserves
Difficulty: Elementary school
 Demonstrate how erosion happens in different waysNo matter where you look, the land you see is a battleground. On one side of the battle are the forces beneath the surface. These forces cause the crust to be faulted, folded, tilted, and lifted. On the other side of the battle are the natural processes of weathering and erosion. Once rock has been broken up by weathering the small pieces can be moved by water, ice, wind, or gravity. Ev
Difficulty: Elementary school
 Demonstrate how lava flows when a volcano eruptsThis model is easy to demonstrate and very useful in relating hazards associated with lava flows (or mud flows). However, this model costs more and requires you to order a plastic three-dimensional map.
Difficulty: Middle school
 Demonstrate how volcano's erupt using an air-pressure modelYou may wish to do this demonstration outside. This apparatus will use air pressure to propel tephra (sand) into the air. A fan disperses the tephra downwind where it accumulates to form a cinder cone. Visibility of the tephra is enhanced if a white sheet or cardboard is used as a backdrop and drop cloth.
Difficulty: High school
 How soil management affect soil quality?Soil is one of our most precious natural resources, as it integrates all parts of the ecosystem. It provides a medium for plant growth so that we can have food, clothing, and other materials. Soil filters water, decomposes waste, stores heat, and exchanges gases. Soil is alive- it is the home to billions of micro- and macroscopic organisms. It is a material used for construction, medicine, and art
Difficulty: High school
 How to make your own fossilThough scientists have found many, many fossils, they are not all that common. It takes very special conditions for fossils to form. Here's how you can make a modern day fossil.
Difficulty: Elementary school
 Soil type and liquefaction This science fair project was performed to observe soil liquefaction in different types of soil. The testing was done using 3 types of soil - sand, clay and loam.
Difficulty: Elementary school
 Vibration convection and fossil movementThis science fair project was performed to measure the movement of fossils in soil subject to earthquake tremors. The experiment was done by exposing fossil bones to different levels of vibration.
Difficulty: Middle school
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