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Rocks Crossword
Question | Answer |
---|---|
a scientist who studies the earth | geologist |
the process in which rocks are broken down into smaller pieces by ice, water, the wind, changes intemperrature, plants, animals, or by chemicals | weathering |
the process in which magma cools and hardens into rock | crystallization |
a type of physical weathering in which rocks are gradually worn down | erosion |
packed down, as in sediment that becomes rock | compacted |
a hard material that is made up of one or more minerals | rock |
a non living , solid material that was formed in nature and has particles arranged in a repeating order | mineral |
when a mineral is ground into powder, this is the color of the powder. Sometimes this powder is not the same as the original mineral | streak |
Rock formed by the cooling of molten magma or from lava | igneous |
a metamorphic rock that does not appeared to be layered | nonfoliated |
the changing and evolution of rocks from one type of rock to another that takes place over time | rock cycle |
Particles arranged in a repeating pattern. Most minerals are made up of these. | crystal |
a metamorphic rock that that has visible layers or bands | foliated |
How a mineral breaks apart when a tool, such as a hammer, is used to break it. A mineral that exhibits this will break into small pieces | cleavage |
a property of minerals that is used to describe how a mineral reflects light | luster |
a type of rock that forms at earth's surface. This rock may form from material that has been squeezed together or it may form from the material that is left after the evaporation of water | sedimentary |
The resistance a moneral has to being scratched | hardness |
The formation of large rocks from particles of sediment that occurs as pressure is applied | cementation |
A rock that is formed by adding heat, pressure, or chemicals to another rock | metamorphic |
The process in which moving sedimentary material slows down , or from ice that melts | deposition |
Rock that is made of bits of sedimentary material that was compacted in layers | clastic rock |