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Geology – the study of the structure of the Earth

5. 8/28. Geology – the study of the structure of the Earth. Physical Geological Land/Ocean. 6. 8/28. Relative position – a point defined with reference to another position. Next to Behind 5 miles away. 7. 8/29*. Lithosphere – solid outer layer of Earth. Crust Mantle. 8. 8/29.

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Geology – the study of the structure of the Earth

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  1. 5 8/28 Geology – the study of the structure of the Earth Physical Geological Land/Ocean

  2. 6 8/28 Relative position – a point defined with reference to another position • Next to • Behind • 5 miles away

  3. 7 8/29* Lithosphere – solid outer layer of Earth • Crust • Mantle

  4. 8 8/29 asthenosphere – top part of the mantle • Hot • Soft rocks • Weak

  5. 9 8/30 Crust – outermost layer, least dense, solid rock • Basalt • Granite

  6. 10 8/30 Mantle – middle layer, thickest, top called asthenosphere • Density increases • Iron • Magnesium

  7. 11 9/3 Core – inner layer, most dense, iron and nickel • Outer core – slow flowing liquid • Inner core - solid

  8. 12 9/3 Sedimentary – rocks formed from compacting pieces of rock, mineral grains, or shell fragments • Weathering • Erosion • Dissolved in water

  9. 13 9/4 Density – how many parts are in a specific area Physical property Heaviness Mass/volume

  10. 14 9/4 Complex – having many parts • Compound • Intricate • Complicated

  11. 15 9/5 Plates – section of Earth’s crust • Plate tectonics • Move • Boundaries

  12. 16 9/5 Boundaries – area between lithospheric plates causing land formations from convection currents in the asthenosphere • Mid-ocean ridge • Earthquakes • Mountains

  13. 9/6 17 Seismic wave – energy in Earth spreads outward in all directions as vibrations • Earthquake • P-wave • S-wave • Surface wave

  14. 18 9/6 Fault – places in the plates where rocks break due to stress at plate boundaries • Normal • Reverse • Strike-slip

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