Major Landforms

Major Landforms

Introduction

• Wind action is the most prominent in deserts.

• Wind also work like ice and water.

• It erodes, transport and deposits rock

  material.

• It is the most effective agent of erosion in

  deserts, where wind blows freely due to

  absence of vegetation.

Mushroom Rocks

Sand, dust particles and gravel are carried with string winds which erode the rocks. Wind erode the lower apart of the rock than the upper part, gives the rock shape resembling a mushroom. Hence called as mushroom rocks.

Sand Dunes

• They develop when there is some

  obstruction in the path of the wind.

• The leeward slope is steep and the

  windward slope is gentle.

• Sand dunes are mostly formed in

  groups

Loess

When fine particles are deposited

over vast areas ,they form loess.

Multiple Choice

When fine particles are deposited over vast areas, they form____

• Loess

• Rain forests

• Sand Dunes

• None of the above

Multiple Choice

Wind action is the most prominent in

• Lakes

• Deserts

• Rain forests

• Oceans

Multiple Choice

Sand, dust particles and gravel are carried with string winds which

• Loess

• Erode the rocks.

• Weathering

• Breaking of rocks

Multiple Choice

Sand dunes develop when there is some obstruction in the path of the wind.

• True

• False

Multiple Choice

Loess and sand dunes are the features of _____

• Soil deposition

• Recycling

• Wind Deposition

• Rain