water in the ground

amount of space between particles in the dirt

ability of a liquid to move through a solid substance

underground area filled with water

underground area filled with air

where the zone of saturation and zone of aeration meet

a tube dug into the ground to access the groundwater

when saltwater from the ocean seeps into a freshwater aquifer

underground layer of water soaked into dirt and rocks

small stream or other body of water that flows into a larger river

area of land that all drain to the same spot

collection of watersheds that all drain to the same river

largest river basin in the USA

the river basin we live in

the largest river basin in NC

liquid changes to gas

gas changes to liquid

rain, sleet, snow, hail, etc.

water lost by plants through their leaves (plant sweat)

water that seeps down into the ground

water that runs along the surface of the ground toward a larger body of water

pollution whose source cannot be identified

pollution whose source can be identified

chemical contaminant; normally comes from animal farms

oxygen dissolved in the water, needed for fish to survive

bacteria from poop in the water

main source of water pollution

Where our used water goes to be cleaned

Rain water that gets dumped back into the river without being cleaned

Currents that run along the shore caused by waves that approach the shore at an angle

Island formed of the coast of the mainland, normally formed by changing sea levels

trail of sand that can grow to close of harbors

two artificial structures that stick out perpendicular to the beach to prevent spits and beach erosion

one artificial structure that sticks out perpendicular to the beach to prevent beach erosion

wall built on the coast to protect the mainland from large waves. No beach will last where there is a sea wall

small hills made of sand that help protect the mainland from large waves

process by which sand is added back onto beaches that were previously eroded.

currents on the top of the ocean that are caused by wind

currents in the deep ocean caused by differences in density

when cold, nutrient-rich water rises from the bottom of the ocean.

system of currents that move in a circle. Clockwise in the northern hemisphere, counterclockwise in the southern hemisphere

giant patch of plastic trash floating in the northern pacific gyre

mass per volume

system of surface and density currents that regulate the temperature of the Earth

current that runs from the Caribbean to the United Kingdom