Universe Cycle - Earth (4)
Pre Lab 

  1. In the space below, draw the movement of a sand particle by saltation.


  1. Draw a sand dune in the space below. Show the direction the wind blows, and cross-beds.
  2. If the wind is not blowing, could sand dunes form? Explain your answer.
  3. Can sand dunes form on the Moon? Explain your answer.

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