Rocks Crossword
This printable crossword puzzle on the topic of Rocks & Minerals has 11 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
A relatively hard, naturally occurring mineral material
a rock that has been transformed over time from heat and presure
a rock formed from a volcano
particles which are carried along by liquid, sometimes combining and compressing into rock
a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces
the molten rock material under the Earth's crust or a suspension of particles in a liquid
a light porous acid volcanic rock
is a rock formed from magma erupted from a volcano
A single thickness of a material covering a surface or forming an overlying part or segment
hot molten or semi-fluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite
