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Big Science test

Rocks and Mineral Vocab

TermDefinition
Rock the solid mineral material forming part of the surface of the earth and other similar planets
Ore a naturally occurring solid material
Luster a gentle glow, especially of a partly reflective surface
Hardness The quality or condition of being hard
Cleavage how some minerals break along flat planes
Compound a thing that is composed of two or more separate elements; a mixture.
Streak the color of the powder left behind when you rub a mineral on a streak plate.
Mineral a solid inorganic substance of natural occurrence
Weathering wear away or change the appearance or texture of (something) by long exposure to the air.
Texture the feel, appearance, or consistency of a surface or a substance
Strata a layer of sedimentary rock or soil with internally consistent characteristics that distinguish it from other layers
Extrusive Igneous Rock when magma reaches the Earth's surface a volcano and cools quickly.
Intrusive Igneous Rock from crystallized magma beneath the earth's surface
Crystal Formation a solid material whose constituents are arranged in a highly ordered microscopic structure
Fracture any kind of separation or break in a rock formation
Sillicate Any of numerous compounds containing silicon, oxygen, and one or more metals
Sedimentary Rock Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water and wind
Igneous Rock formed through the cooling and solidification of magma or lava.
Metamorphic Rock a rock that was once one form of rock but has changed to another under the influence of heat or pressure
Rock Cycle an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.
Quarry An open excavation or pit from which stone is obtained by digging, cutting, or blasting.
Fossil the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Sediments matter that settles to the bottom of a liquid
Magma hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.
Lava hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.
Bedrock solid rock underlying loose deposits such as soil or alluvium.
Topsoil the top layer of soil.
Humus the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
Subsoil the soil lying immediately under the surface soil
Soil Horizon the daily disappearance of the Sun below the horizon as a result of Earth's rotation.
Natural Reasorce materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
Soil Profile a vertical section of the soil that is exposed by a soil pit natural resource: materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
Loam a fertile soil of clay and sand containing humus
Soil the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles
Moh's Scale a scale of hardness used in classifying minerals. It runs from 1 to 10 using a series of reference minerals, and a position on the scale depends on the ability to scratch minerals rated lower
Fossil Fuel a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms
Renewable Resource A renewable resource is a substance of economic value that can be replaced or replenished in the same or less amount of time as it takes to draw the supply down
Nonrenewable Resource A nonrenewable resource is a resource of economic value that cannot be readily replaced by natural means on a level equal to its consumption
Conservation preservation, protection, or restoration of the natural environment, natural ecosystems, vegetation, and wildlife
Uplift Uplift, in geology, vertical elevation of the Earth's surface in response to natural causes
Deposition Deposition is the processes where material being transported by a river is deposited
Density the degree of compactness of a substance
Composition he nature of something's ingredients or constituents; the way in which a whole or mixture is made up
Created by: Always_Alexis