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Unit 3 vocab. Corey fox (weathering- breaking down of soil, rocks , and…
Unit 3 vocab. Corey fox
weathering- breaking down of soil, rocks , and minerals 
chemical weathering - rocks being broke down in ways that changes their chemical composition.
Physical Weathering - rocks being broke down without changing their chemical composition.
frost wedging - when water falls into the cracks in rocks and it freezes and it expands
acid precipitation- precipitation that has high levels of acid pollutants
pH scale -shows how acidic or basic a substance is
erosion - process where rocks are broken down and the pieces are transported from
one place to another.
soil - upper layer of the earth
sand - : resulting from the erosion of siliceous and other rocks and forming a major constituent of beaches, riverbeds, the
seabed, and deserts
silt - fine sand
clay- forming an impermeable layer in the soil
groundwater-water held underground in the soil
water table - the level below which the ground is saturated
with water
surface water - water that is collected on the surface of the ground
zone of aeration : region between the earth's surface and the water table
Zone of Saturation - The phreatic zone, or zone of saturation, is the area in an aquifer, below the water table
infiltration- permeation of a liquid into something by filtration.
river basin -portion of land drained by a river and its
tributaries
Aquifers : a body of permeable rock that can contain or transmit groundwater
Watersheds : an area or ridge of land that separates waters flowing to different rivers,
flooding - covering the ground with water
Geohazards :geological state that may lead to widespread damage or ris
Landslide : the sliding down of a mass of earth or rock from a mountain or
cliff
tsunami - a underwater earthquake
Sinkholes: a cavity in the ground, especially in limestone bedrock, caused by water erosion and providing a route for surface water to disappear
underground
-
Pollution : the presence in or introduction into the environment of a substance or thing that has harmful or
poisonous effects.
Porosity :full of tiny holes
barrier Islands : a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and
water table