This printable crossword puzzle on the topic of Rocks & Minerals has 20 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A type of rock in which fossils are found
This volcano destroyed Pompeii
A volcano in Washington; famous for the 1980 explosion
The two sub-layers of the lithosphere that move
Mauna Kea is an example of this type of volcano
A type of rock made from cooled lava or magma
A type of rock formed by pressure and heat
Rocks are made of these
The smallest type of volcano
A mountain with lava in it
Fast flowing clouds of hot ash and volcanic glass
To break unevenly
A type of volcano with steep sides
A supervolcano in Wyoming
Breaking along a flat surface
The color of a mineral in powdered form
The way a surface reflects light
Shoots into the air when a volcano explodes
A volcano southwest of Tokyo
What happens when tectonic plates move