Exam 13: Groundwater

____is a measure of how much water a material can hold, and ___ measures how easily the material transports fluids.

A permeable layer that transports water is called a(n)____________________.

____________________ are types of dripstone that hang from cave ceilings, while ____________________ form on the ground from calcite dripping onto the cave floor.

Less than 2% of all the water on Earth is groundwater.

Groundwater erupting from geysers that contain dissolved calcium carbonate will form deposits of what?

What are the most common sources of groundwater contamination?

The water stored in the open spaces within underground rocks and unconsolidated material is called ____________________.

What is the general term for deposits of calcite and\or aragonite within caves?

Rocks such as limestone, granite, and gneiss cannot be groundwater reservoirs.

Hydraulic fracturing involves extracting oil and gas from thin layers of which type of rock?

Geothermal energy is produced by ____.

Arsenic contamination in groundwater stems from human activities.

The Leaning Tower of Pisa leans largely because of ____________________.

Caves do not form in marble because it is a dense and hard rock.

What is the heat source for hydrothermal activity on land?

What is a natural fountain that intermittently ejects hot water and steam into the air?

In regions of moderate to high rainfall, the top of a stream is the same as the ____.

Groundwater is slightly acidic.

Most groundwater in the United States is used for ____.

Groundwater in an aquifer is sometimes called fossil water because ____.