Watersheds TEKS 7.8C

Front

What is a watershed?

Back

A watershed is an area of land where the surface water and ground water drain into a particular body of water, separated from other watersheds by drainage divides.

Front

What is an aquifer?

Back

An aquifer is a layer of permeable rock that retains and filters water.

Front

What is ground water?

Back

Ground water is water that collects in cracks and pores in underground soil and rock layers.

Front

What is surface water?

Back

Surface water is water from precipitation that flows into streams, rivers, lakes, estuaries, reservoirs, wetlands, or the ocean.

Front

What is point source water pollution?

Back

Point source water pollution is a single identifiable and localized source of water pollution, such as wastewater discharge into a stream.

Front

What is a drainage divide?

Back

A drainage divide is a geographical boundary that separates one watershed from another.

Front

What is non-point source water pollution?

Back

Non-point source water pollution comes from multiple sources and is not traceable to a single point, such as runoff from agricultural fields.

Front

What is the water table?

Back

The water table is the upper surface of the zone of saturation, where the soil or rock is fully saturated with water.

Front

What is the zone of aeration?

Back

The zone of aeration is the area above the water table where soil and rock are not saturated with water.

Front

What is the role of tributaries in a watershed?

Back

Tributaries are smaller streams or rivers that flow into a larger body of water, contributing to the watershed's overall water flow.