This printable crossword puzzle on the topic of Rocks & Minerals has 20 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
dropping of sediments from wind, water and ice
the process of breaking rock into smaller pieces
the movement of sediment to new locations
when the particles don't fit tightly together and water fills the spaces causing it to expand
the binding together of packed particles or other things by cement
sediments weathered, eroded and dropped at the mouth of a river which then gets cemented
made from layers of sand hardened together
weathered and eroded sediments cemented with saltwater and then compacted
dead plant material pressed together over many years
weathered and eroded sediments from shells that are deposited, cemented and compacted
formed when melted rock or lava cools and hardens
formed when dirt (sediments) are pressed together in layers
formed by heating and squeezing other rocks together with pressure
rock that cools slowly inside the earth's crust; large crystals
rock that cools quick outside the earth's crust; small crystals
a common type of intrusive igneous rock that is coarse-grained and has large crystals
volcanic glass formed as an extrusive igneous rock; black, shiny and smooth
a very light volcanic rock formed when glassy lava solidifies rapidly; filled with holes
a metamorphic rock where minerals get pressed into bands
a metamorphic rock with thin, flat layers with minerals packed together