This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 7 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the breakdown of rock into smaller pieces by physical means
The process in which rock is broken down by changes in its chemical makeup
A wearing away or rubbing away by friction
The mechanical breakup of rock caused by the expansion of freezing water in cracks and crevices
when roots grow or animals dig holes, rocks split apart
the expansion of matter when it is heated
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
process by which minerals reacts with carbonic acid
(H2SO4) a highly corrosive acid made from sulfur dioxide
Breaking down complex molecules by the chemical addition of water
wear away or change the appearance or texture of (something) by long exposure to the air.
polluted rain that can damage trees and kill fish in lakes
one of the 3 major reasons rocks are weathered
the area of rock exposed to the elements on the earth's crust
determined by the amount of moisture in an area.