Earth's Systems and Resources Crossword

a naturally occurring solid that can be formed by inorganic processes and that has a crystal structure and a definite chemical composition
a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted
coal, oil, or natural gas that forms over millions of years from the remains of ancient organisms; burned to release gas
forms from some of the same organisms as oil
hardness, color, streak, cleavage, luster, fracture
tendency to break along a flat surface
tendency to break along curved surfaces
the ''shine'' off of a rock
a type of rock that forms from an existing rock that is changed my heat, pressure or chemical reactions
a type of rock that forms when particles from other rocks or the remains of organic matter are cemented together
a type of rock that forms from the coolings of molten rock at or below the surface
the chemical and physical processes that break down rock and other substances
the process by which water, ice, wind or gravity moves weathered particles of rock and soil
process in which sediment is laid down in new locations
How does igneous rock form into sediments?
How does metamorphic rock from into igneous rock?