049 WATER PERCOLATION THROUGH SOIL

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049 WATER PERCOLATION THROUGH SOIL
Percolation is the downward flow or seepage of
water through the pores of rocks and soil. A
Zone of Saturation is an area where all pore
spaces are filled with water.
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• Use a paperclip to poke several holes in the
  bottom of each paper cup.
• Each cup should have the same number of holes
  located at approximately in the same spots.
• With the filter paper cover the bottom of each
  cup.
• Place the cups on a funnel resting on the top
  of the measuring jar.
• Label the cups A, B, C and D.
• Fill half of Cup A with Soil,
• Fill half of Cup B with Sand,
• Fill half of Cup C with Gravel, and
• Fill half of Cup D with equal amounts of Soil,
  Sand Gravel

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Measure 100 ml of water and pour it into Cup A.
Record the time taken for 50 ml of water to
drain into the measuring cylinder. Repeat the
procedure for cups B, C, and D. Record time
taken to recover the total volume of
water. Compare and discuss results.
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