Erosion and Waterway Concepts

Front

What is a dam?

Back

A dam is a structure built across waterways to hold back water, creating a reservoir or controlling water flow.

Front

What is a delta?

Back

A delta is a landform that forms at the mouth of a river where it meets a body of water, such as an ocean or sea, and is characterized by sediment deposition.

Front

What happens when a fast-moving river flows over rock?

Back

Over time, the water erodes the rock, which can lead to the formation of canyons, like the Grand Canyon.

Front

What natural disaster do structures built to protect against flooding aim to prevent?

Back

These structures are designed to protect against flooding.

Front

How does a jetty help protect a coastline?

Back

A jetty acts as a barrier against waves and currents, helping to prevent coastal erosion.

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.

Front

What is sediment?

Back

Sediment is small particles of rock, soil, and organic material that are transported and deposited by water, wind, or ice.

Front

What is the role of a reservoir?

Back

A reservoir is a large natural or artificial lake used to store water for various purposes, including drinking water, irrigation, and hydroelectric power.

Front

What is the purpose of a levee?

Back

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

Front

What is weathering?

Back

Weathering is the process of breaking down rocks and minerals into smaller pieces through natural forces like wind, water, and temperature changes.