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Project title Soil types and water retentionFeatured science projectScience project video
Difficulty Level Middle school
Project page  Click here to view this science project

This science fair project was conducted to find out the amount of water retained by different types of soils. The science project was performed using sand, clay and silt soil. 

Instructions preview
1. For this science fair project, the independent variable is the type of soil used. The dependent variable is the amount of water retained in the soil. This is determined by measuring the water drained using the measuring cylinder and also checking the weight of the pot. The constants (control variables) are the amount of water used, the amount of soil used and the time taken for the water to drain from the soil. 2. The 3 pots are labeled A, B and C. The sand is placed inside pot A up to 20mm from the top. Similarly the .....
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