science
Grade-4-
Easy

Question

Scoria is a________.

  1. Metamorphic rock
  2. Intrusive igneous rock
  3. Sedimentary rock
  4. Extrusive igneous rock

hintHint:

The scoria is an extrusive rock that is formed from magma on the surface of the earth.

The correct answer is: Extrusive igneous rock


    • Igneous rocks are of two types that are intrusive and extrusive.
    • Intrusive rocks are formed from magma under the surface and extrusive rocks are formed from magma at the surface of the earth.
    • The scoria is formed from the magma at the surface. So it is an extrusive igneous rock.

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