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Delta Modern Language School
Grade 4
Date ......./......./………

    ➢ Some landforms are created due to erosion and deposition processes by
      wind and sand at the same time as sand dunes.

    ➢The sand dunes usually seen in groups, and they may cover a large area.
    ➢The sand dunes can be hundreds of meters tall.
    ➢Sand dunes are common landforms between beach and sandy desert.

       ❖ The wind moves the sand where:
       - The distance that the sand travels depends on the force of the wind.
       - The way the sand moves depends on the direction of the wind.
    ➢The sand dunes often formed when something blocked the path of the
      sand, such as rocks.

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