Multiple choice

Which rock is formed when lava cools on the surface of the Earth?

  1. Igneous rocks

  2. Inorganic rocks

  3. Metamorphic

  4. Basalt

  5. Sedimentary

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Basalt is formed from lava which cools slowly. Basalt originates from "hot spot" volcanoes, massive basalt flows and mid oceanic ridges.