Changes to Earth Surfaces and Limiting their impact

Front

What are destructive processes?

Back

Destructive processes are natural forces that break down or remove features from the Earth's surface, such as erosion and weathering.

Front

What are constructive processes?

Back

Constructive processes are natural forces that create new features on the Earth's surface, such as volcanic eruptions and sediment deposition.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind, water, or ice and transported to another location.

Front

What is deposition?

Back

Deposition is the process by which sediments, soil, and rocks are added to a landform or land mass, often after being transported by erosion.

Front

What is a sea arch?

Back

A sea arch is a natural rock formation that is formed by the erosion of rock by waves, creating an arch shape.

Front

What is a dam?

Back

A dam is a structure built to hold back water, creating a reservoir and controlling water flow for flood control, irrigation, and hydroelectric power.

Front

What is a levee?

Back

A levee is an embankment built to prevent the overflow of a river, protecting land from flooding.

Front

What is a seawall?

Back

A seawall is a structure built along coastlines to protect against wave action and prevent erosion.

Front

What is a storm drain?

Back

A storm drain is a system designed to carry excess rainwater or melted snow away from urban areas to prevent flooding.

Front

How do constructive forces change the Earth's surface?

Back

Constructive forces change the Earth's surface by creating new landforms, such as mountains from volcanic activity or deltas from sediment deposition.