Groundwater

http://science.pppst.com/groundwater.html

Questions: Ch. 12, #2-17, plus A Dump, Cattle and Coal Case Study

__________ _______ is the top of the saturated layer of water in the ground.

Permeable means water can flow through the soil and impermeable means it can't.

Gravel is more permeable than ________.

Aquifers- materials that transport water readily.

Hydraulic gradient is the __________ of the water table.

• It is equal to the difference in elevation between two points divided by its ____________.
• The slope of the water table determines the __________ of water flow. Water moves _________________ to the isolines of water table height.

Wells can lower a water table so much that around them is a _______ of depression.

Karst topography is limestone that's been differently dissolved by rain water. It may be filled with sinkholes, solution valleys, springs and _________________!!

Land subsidence can occur by extreme ________________ withdrawal. This could really ruin a home owners day... and night.

Sinkholes form when underground caves dissolve by groundwater and the roof collapses in.