Sir Elton Hercules John CBE (born Reginald Kenneth Dwight on 25 March 1947) is a multiple Grammy and Academy Award-winning English pop/rock singer, composer and pianist. Source(s): http://en.wikipedia.org/wiki/Elton_John
The âPerc Testâ. A Perc Test (also known as âPerk Testâ, and more formally known as a Percolation Test), is a soil evaluation that tests the rate at which water drains through soil.
Data and Observations. The Silty Clay was the first soil material that we tested which was the sample from near our houses. This turned out to be a mixture of sand, silt, and clay that allowed for a middle range level of permeability when we did the water test. The pH for the silty clay was four.