science vocab
Terms
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- sedementary rock
- a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
- vien
- a narrow deposite of mineral that is sharply different from the surrounding rock
- metamorphic rock
- a type of rock that forms from an existiong rock that is chanded by heat, pressure, or chemical rections
- crystalization
- the process in which atoms are arranged to form a a material with a crystal structure
- clastic rock
- sedementary rock that deoms when rock fragments are squeezed together under high pressure
- basalt
- a dark, dence, igneous rock with a fine texture; found in oceanic crust
- grains
- the particles of minerals or other rocks thath give a rock its texture
- lava
- liquid magma that reaches the surface; also, the rock formed when liquid lava hardens
- Mohs hardness scale
- a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals
- fracture
- the way a mineral looks when it breaks apart in an irregular way
- cementation
- the process by which dissolved minerals crystalazation and glue particles of sediment together into one mass
- rock cycle
- a series of process on the earths surface and inside the earth from one rock to another
- chemical rock
- sedementary rock that forms when minerals crstallize form a soltion
- erosion
- the process by which water, wind, and ice moves weathered rock or soil
- texture
- the look and feel of a rocks surface
- mineral
- a natural occuring, imorganic solid that has a crystal structure and a definate chemical composition
- rock-forming mineral
- the common minerals that make up most of the earths crust
- granite
- a usually light-colored igneous rock that is found in sontinental crusts
- deposition
- process in which sediment is laid down in new locations
- compaction
- the process by which sediments are pressed together inder their own weight
- clevage
- a minerals ablility to split easily along flat surfaces
- luster
- the way a mineral reflects light from its surface
- organic rock
- sedementary rock that forms form remains of organisms deposited in thick layers
- streak
- the color of a minerals powder
- magma
- the molten mixture of rock-forming substances, gases, and water form the mantel
- goede
- a hollow rock inside which mineral crystals have formed
- foliated
- term used to descirbe metamorphic rocks that have grains arranged in paralle layers or bands
- sediment
- small solid pieces of material that come from rocks or organisms; either materials depostited by ericion
- solution
- a mixture in which one substance disolves in another
- crystal
- a solid in which the atoms are arranged in a pattern that repeats again and again
- ingneous rock
- a type of rock that forms from cooling or molton rock at or below the surface
- inorganic
- non foliated form from living things of the remains of living things