Earth and Space Vocab Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 20 clues. Answers range from 4 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

unique chemical composition
repeating pattern of a mineral
the way a mineral reflects light from its surface
the ability of a mineral to resist being scratched
the color of the powder from the scrape of a mineral when rubbed against a rough surface
the amount of volume in a given volume
when a mineral splits into smooth surfaces
when a mineral breaks along rough or jagged surface
minerals
elements that are shiny
elements with dull surface
minerals that are rare, hard, beautiful and durable
hard substances composed of two or more minerals
rock formed from hot fluid lava
rocks formed when particular of rocks sediments are carried and deposited by wind and water
small particles of rock
igneous rock formed from magma within the earth
igneous rocks formed from lava on the outside of the earth
the continuous changing of rocks
rocked formed when chemical changes