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Project title Soil type and liquefaction Featured science projectScience project video
Difficulty Level Elementary school
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Description
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.  

Instructions preview
1. For this science fair project, the independent variable is the type of soil used – sand, clay and loam. The dependent variable is the amount of water required for the brick to sink. This is determined by counting the number of times 100ml of water is poured into the pail containing the brick and soil. The constants (control variables) are the amount of soil in the pail, the weight of the brick and the sinking height of the brick. 2. Fill each pail to 90% of its height with a different type of sand. Stack the 3 bricks .....
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