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Earths crust and resources

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Term
Definition
Place based knowledge   A way to explain and predict what happens in nature for a local group  
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Theory of plate tectonics   Ocean floor moving away from ridges into deep trenches  
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Boundaries   Plates meet  
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Plates   small broken up parts of lithosphere  
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Diverging   Apart  
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Converging   Together t  
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Transform   Along side  
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Earthquake   Shaking earth caused by sudden break of blocks of rock in crust  
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Fault   Crack in earths crust where movement occurs  
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Focus   First place rock breaks below surface  
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Epicenter   Point on earths surface above the focus  
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Seismic waves   Energy waves caused sudden breaking of rocks at the focus  
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Minerals   Pure substance forms naturally ex. Quartz mica  
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Streak   The coloured line of fine particles minerals levels behind  
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Igneous   Hot molten rock  
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Sedimentary layers of shells bones   Layers  
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Metamorphic intense pressure changed appereanc   Appearance change  
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Ores   Mainerals with enough concentration to be mined  
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Erosion   Movement of rocks and soil by water wind or ice  
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Landslide   Large masses of rock or soil from a slope  
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Humus   Decayed organic rock fragments  
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Created by: Jennypenny
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