geology Crossword
This printable crossword puzzle on the topic of Rocks & Minerals has 20 clues. Answers range from 5 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
made of basalt rock, 3-6 miles thick
made of granite, 20-30 miles thick
pieces of the crust floating on the mantel
two tectonic plates push into one
not good at helping identify a mineral
the way a mineral reflects light
two plates that move away from each other
contains most of earths mass
name for crust and upper mantel
almost all magma and lava
small and made from ash and rock
explosive eruptions followed by out poring of lava
intrusive/ extrusive
connects points of equal elevation
hardness of 10
mineral that smells like rotten eggs
ocean to continent
plate tectonics cause
short lines that indicate depressions
the hardness scale is called
