Igneous Rock Crossword Puzzle

This printable crossword puzzle on the topic of Rocks & Minerals has 11 clues. Answers range from 4 to 27 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Molten rock that does not reach the Earth's surface
Igneous rock that forms below the surface of the Earth
Molten rock that reaches the Earths surface
Rock formed from cooling magma (or lava)
Igneous rock that forms on the surface of the Earth
Light-coloured rocks
Dark-coloured rocks
A Type of intrusive igneous rock
A type of extrusive igneous rock
Crystals that lock together and grow into each other in a rock
An opening in Earth’s crust that allows molten rock from beneath the crust to reach the surface