Science

8th

grade

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Weathering, Erosion, Rock, and Minerals

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25 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Image

    The diagram shows the role of water in the weathering of rocks. What type of weathering is shown?

    biological

    chemical

    ecological

    mechanical

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    The image shows the model of a landscape. How will agents of weathering such as wind and water most likely affects this landscape?

    Wind and water will cause the continuous contraction and expansion of rocks, leading to erosion.

    Wind and water will erode the exposed surfaces, breaking down rocks into sediments gradually.

    Wind and water will erode the crust down to the mantle, exposing molten magma that will alter the landscape.

    Wind and water will change the chemical composition of the landscape, making it prone to erosion.

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    The figure shows how erosion occurs in a mountainous river system. What processes are shown at sites 1 and 2?

    Image
    Image
    Image
    Image
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