Geology Crossword Puzzle

This printable crossword puzzle on the topic of Rocks & Minerals has 21 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Molten Rock
Cool top layer of Earth
Seventeen huge slabs of rock
Two or More Minerals Together
Movement of Earth's Crust
Shaking caused when tectonic plates suddenly move and release pressure and stress
Weathered rock and organic matter
Tool to measure motion of ground
A naturally occurring solid that has a specific chemical make-up
Formed from cooled magma or lava
Made of sand, rocks, minerals, and organic matter
Organisms preserved in sedimentary rock
Formed when heat and pressure "RECYLCE" rock
Heat, ash, and lava released from vent forms cones
Acid rain eats away rock and forms caves and sinkholes
Nutrient rich
Sand, Silt, Clay
Least Permeable
Air spaces
Powder
Best for Plants