Front

What happens when a river meets a large body of water?

Back

The river slows down, depositing material.

Front

What is the primary agent that carves valleys?

Back

A river.

Front

What is the top surface of water in the ground called?

Back

The water table.

Front

What does porosity refer to in geological terms?

Back

How much empty space there is within a material.

Front

What is the process called that puts down material?

Back

Deposition.

Front

What is erosion?

Back

The process of wearing away and removing material from the Earth's surface.

Front

What is weathering?

Back

The breaking down of rocks and minerals through natural processes.

Front

What is the zone of saturation?

Back

The area in the ground where all the spaces are filled with water.

Front

What is the difference between porosity and permeability?

Back

Porosity is the amount of empty space in a material, while permeability is how easily water flows through it.

Front

What is a glacier?

Back

A large mass of ice that moves slowly over land, shaping the landscape.