Posted: March 28th, 2023
Year 7 Geography
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Lava
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Liquid magma that reaches the surface; also the rock formed when liquid lava hardens.
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Tectonic plates
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Sections of the Earth's crust that move due to convection currents.
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Earthquakes
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A sudden, violent movements of Earth's crust.
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Direction
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Shown on a map by the points of the compass.
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Contour
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A line drawn on a map to join places at the same height above sea level.
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Grid Square
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A square on a map representing an area on the ground.
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Geography
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The study of the earth's natural features and its people.
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Volcano
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A cone-shaped mountain made up of lava and ash.
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Magma
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Molten rock below the earth's surface.
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Peninsula
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A piece of land surrounded on three sides by the sea.
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Core
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The central part of the earth below the mantle.
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Mantle
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The layer of the earth beneath the crust and above the core.
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Map
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A drawing which shows part of the earth's surface at a reduced scale.
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Continents
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Large landmasses on Earth's surface.
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Oceans
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Large bodies of salt water that cover 71 percent of the Earth's surface and contain 97 percent of our planet's water.
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Greater Antilles
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Group of islands that includes Cuba, Jamaica, Hispaniola, and Puerto Rico.
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Lesser Antilles
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Group of islands that extend from the Virgin Islands to Trinidad and Tobago.
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Divergent boundary
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A plate boundary where two plates move away from each other.
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Convergent boundary
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A plate boundary where two plates move toward each other.
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Transform boundary
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A plate boundary where two plates move past each other in opposite directions.
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Seismic waves
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These are energy waves that result from earthquakes, explosions, or volcanoes. These waves are felt on earth's crust.
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Focus
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The place inside Earth's crust where an earthquake originates.
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Epicenter
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The point on earth's surface directly above the focus.
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Richter Scale
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A scale that rates an earthquake's magnitude based on the size of its seismic waves.
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