science
Grade-4-
Easy

Question

Match the following:

  1. 1, 3, 4 – a; 2 – b
  2. 1 – a; 2, 3, 4 – b
  3. 1, 2, 3 – a; 4 -b
  4. 2 – a; 1, 3, 4 - b

hintHint:

The obsidian rock is an extrusive rock, and granite, diorite, and pegmatite are intrusive rocks.

The correct answer is: 1 – a; 2, 3, 4 – b


    • Obsidian rock is an extrusive rock that is formed by the cooling and solidification of volcanic fluids on the surface of the crust.
    • Granite, diorite, and pegmatite are intrusive rocks that are formed inside the earth's crust by cooling and solidification of volcanic fluids.

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