water cycle, ground water, porosity and permeability

Front

What is runoff?

Back

Water flowing downhill, through gravity, over the Earth's surface, collecting into streams and rivers.

Front

What does porosity mean?

Back

The ability to hold water.

Front

Why is runoff important?

Back

It returns water to other locations on Earth.

Front

Define permeability.

Back

Ability of rock/sediment fluids to pass through open spaces/pores.

Front

What percentage of the amount of water on Earth grows each year?

Back

0%.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.

Front

What is evaporation?

Back

The process by which water changes from a liquid to a gas.

Front

What is condensation?

Back

The process by which water vapor cools and changes back into liquid water.

Front

What is groundwater?

Back

Water that is found underground in aquifers.

Front

What is an aquifer?

Back

A geological formation that can store and transmit water.