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7th Geo. Vocab. Ch.2

7th grade Geography Vocab. for Chapter # 2

DefinitionWord
The shapes of land on Earth's surface landforms
Shape, height,and arrangment of landforms in a certain place topography
The theory that Earth's surface is divided into several major, slowly moving plates or pieces plate tectonics
The movement of one of Earth's heavier tectonic plates underneath a lighter tectonic plate subduction
Sudden, violent movements along a fracture in the Earth's crust earthquakes
Magma that has broken through the crust to Earth's surface lava
A fractured surface in Earth's crust where a mass of rock is in motion fault
The process of breaking rocks into smaller pieces through heat, water, or other means weathering
The movement of water, ice, or wind of rocky materials to another location erosion
A nearly flat surce on Earth's surface plain
A fan-shaped landform created by deposits of sediment at the base of a mountain alluvial fan
A landform of level ground built by sediment deposited by a river or stream floodplain
Landform created by the deposit of sediment at the mouth of a river delta
Large, slow moving sheets or rivers of ice glaciers
Horizontal ridgesbuilt into the slopes of steep hillsides to prevent soil loss and aid farming terraces
Any smaller stream or river that flows into a larger stream or river tributary
Water from rainfall, rivers, lakes, and melting snow that seeps into the ground groundwater
Inderground, water-bearing layers of rock, sand, gravel aquifers
The circulation of water from Earth's surface to the atmosphere and back water cycle
The process by which heated water becomes water vapor and rises into the air evaporation
The gaseous form of water water vapor
The process by which water chages from gas into tiny liquid droplets condensation
The process by which water falls back to earth precipitation
A type of polluted rain, produced when pollution combindes with water vapor acid rain
A form of oxygen in the atmospere that helps protect Earth from harmful solar radiation ozone layer
A slow increase in Earth's average temperature global warming
Process by which Earth's atmospere traps heat greenhouse effect
The condition of the atmospere at a given place and time weather
Weather conditions in an area over a long period of time climate
Breezes that consistently blow in the same direction over large areas of Earth prevailing winds
Giant streams of ocean water that move from warm to cold or from cold to warm areas currents
Dry area on the side of a mountain opposite the wind rain shadow
Materials needed and valued by people, such as soils and forests, that can be replaced by Earth's natural processes renewable resources
Resources, such as coal and oil, that cannot be replaced by Earth's natural processes nonrenewable resources
Destructiion or loss of forest area deforestation
Nonrenewable resources formed from the remains of ancient plants and animals fossil fuels
An oily liquid that can be refined into gasoline and other fuels and oils petroleum
A renewable energy source produced from dams that harness the energy of falling water to power generators hydroelectric power
A renewable energy resource produced from the heatof Earth's interior geothermal energy
Heat and light from the sun solar power
Created by: Kathy Fox Kathy Fox on 2011-01-22



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