WED and Landforms Review

How did the delta at the end of the Rio Grande form?

• Ocean waves pushed soil from the Gulf of Mexico onto the land.

• The river deposited large amounts of sediment from land erosion.

• The river cut through the bedrock of the valley.

• Sand from the Gulf of Mexico was washed away by hurricanes.

Wide and deep cracks have formed in some large rocks of the mountains. Some of the cracks are so large that the rocks have broken apart. Which process most likely caused these rocks to crack and break?

• erosion by wind

• water freezing and thawing

• erosion by fast-moving water

• sediments being deposited

Glaciers move slowly on land. Which of these features was most likely formed by a glacier?

• a wide valley

• a deep ocean

• a lava flow

• a mountain range

What is the reason why this canyon was formed?

• wind movement

• water movement

• ice movement

• hot springs

Number 3 on the diagram represents a landform made by the _____ of eroded sediment?

• ice

• deposition

• erosion

• weathering

From which area is soil most likely to be washed away by rain and/or running water?

• a hillside with weeds and tall grasses

• soil in a flowerbed of marigolds

• the soil beneath a tree

• a mound of dirt formed during road construction

Moving water will most likely create which of the following types of landforms?

• a steep mountain peek

• a canyon

• a flat-topped mesa

• flat plains

A student investigates erosion with topsoil, clay, sand, and soil planted with grass. Water is poured through the Earth materials with a filter. The picture shows the amounts of Earth materials that were collected. The results of this investigation best support which conclusion:

• Topsoil is easily eroded.

• Sand has a coarse texture.

• Water travels fastest through soil planted with grass.

• Water drains most quickly through clay.

Which of the following most likely occurred to form this sandstone arch in a desert?

• the cooling of lava

• the blowing of wind

• the rushing of water

• the depositing of sediment

The diagram shows the _____ process that has occured over time.

• Weathering

• Erosion

• Deposition