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    science
    Grade-4-
    Easy

    Question

    Identify the rock.

    1. Granite
    2. Phyllite
    3. Sandstone
    4. Pumice

    Hint:

    The given rock is a pumice stone.

    The correct answer is: Pumice

      • Pumice stone is a volcanic rock.
      • It has an appearance like a sponge and numerous gas bubbles inside it.
      • It is lightweight and light grey to dark grey in color.  

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