Canyons, Sand Dunes, and Deltas

Front

Features on the surface of the Earth such as mountains, hills, dunes, oceans, and rivers:

Back

landform

Front

The movement of weathered material on the Earth's surface by wind, water, and ice:

Back

erosion

Front

A sudden release of energy under the Earth's surface that makes the ground shake or crack:

Back

earthquake

Front

The breakdown of rock into smaller particles from the effects of wind, water, and ice:

Back

weathering

Front

The buildup of land by depositing sediment and soil in a new location:

Back

deposition

Front

A triangle-shaped (deposit) landform at the mouth of a river as it empties into a body of water:

Back

delta

Front

When a river flows over the Earth and carves out a hole in the surface it makes a:

Back

canyon

Front

A delta forms when the river meets the ocean because:

Back

the river slows down and drops sediments.

Front

What natural force formed the Grand Canyon millions of years ago? Options: a landslide, an earthquake, a river

Back

a river

Front

What is necessary for sand dunes to form? Options: loose sand and strong wind, pressure in the Earth, ice glaciers

Back

loose sand and strong wind