Earth's Materials & Rock Cycle Crossword Puzzle

QUESTIONS LIST: magma : molten rock; found in the mantle, compaction : part of the rock cycle; squeezing of sediment together to form solid rocks by means of pressure, streak : the color of a mineral when it is crushed into powder. use a porcelain tile to test this characteristic, earths layers : the crust, mantle, inner core, and outer core are all of _ , sedimentary rock : rocks deposited in layers; commonly contain fossils, outer core : the liquid layer of earth above the inner core, subduction : the sideways and downward movement of the edge of a tectonic plate into the mantle beneath another plate, lithosphere : the rigid outer part of the earth, consisting of the crust and upper mantle, luster : the way light interacts with the surface of a crystal, rock, or mineral, mineral : a solid, inorganic substance of natural occurrence. usually of crystalline form, inner core : the innermost layer of the earth, igneous rock : result of the partial melting of rocks within the mantle and crust; also known as volcanic rocks, metamorphic rock : _ arises from the transformation of existing rock types, in a process called metamorphism, asthenosphere : the upper layer of the earth's mantle, below the lithosphere; has plasticity, cementation : the hardening and welding of clastic sediments; like the glue for sedimentary rocks, rock cycle : an idealized cycle of processes undergone by rocks in the earth's crust, mantle : layer of earth containing the asthenosphere; thickest layer of earth