groundwater
Groundwater fills pores and fractures in soil and rock. This topic is part of Earth Science within Science & Nature. This page currently draws on 26 supporting questions, with answers and bonus facts available below.
groundwater trivia questions
Groundwater is water stored where?
Answer: Below Earth's surface
Bonus fact: Groundwater fills pores and fractures in soil and rock.
What underground layer can store and transmit usable groundwater?
Answer: Aquifer
Bonus fact: Aquifers supply many wells and springs.
Geysers require heat, groundwater, and what kind of underground plumbing system?
Answer: Constrictions that trap pressurized water
Bonus fact: Narrow underground passages allow heated water and steam pressure to build before an eruption.
What system collects groundwater around a foundation and directs it away?
Answer: Drainage system
Bonus fact: Foundation drains help reduce hydrostatic pressure against basement walls.
What drought type refers specifically to prolonged below-normal streamflow, reservoir levels, and groundwater?
Answer: Hydrological drought
Bonus fact: Hydrological drought focuses on water supplies and flows.
Many caves form when slightly acidic groundwater dissolves what rock?
Answer: Limestone
Bonus fact: Carbonic acid in water dissolves calcium carbonate.
The groundwater table is the upper surface of what underground zone?
Answer: Saturated zone
Bonus fact: Below the water table, pores and fractures are filled with water.
A well must generally extend below what to reliably reach groundwater?
Answer: Water table
Bonus fact: The water table marks the top of saturated ground.
A hot spring is groundwater naturally heated by what?
Answer: Geothermal energy
Bonus fact: Heat from Earth's interior warms the water.
What gas escapes from dripping groundwater and helps calcite precipitate?
Answer: Carbon dioxide
Bonus fact: Loss of CO2 shifts dissolved bicarbonate toward calcium carbonate.
What is a permeable underground rock or sediment layer that can store and yield significant quantities of groundwater called?
Answer: Aquifer
Bonus fact: Aquifers can consist of materials such as gravel, sand, sandstone, limestone, or fractured volcanic rock.
Underground, groundwater primarily flows within what formations?
Answer: Aquifers
Bonus fact: Groundwater can later discharge naturally into rivers, springs, or the ocean.