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Transcript
Study Guide Planet Earth. Draw and label layers of the earth. What properties are used to identify minerals? What is Pangaea? Lithosphere, Asthenosphere, Mesosphere, Outer Core, Inner Core Luster, Color, Streak, Hardness Supercontinent, when all continents were one What evidence do scientists have to prove its existence? Fossil records, Continents seem to fit together, rock evidence Where are most volcanoes located? Why? What is Moh’s Scale and what does it help us determine? Convergent boundaries, at subduction zones. Volcanoes are formed from the magma of a destroyed plate Moh’s scale measures hardness, and helps us determine what minerals will scratch other minerals. Why do plates move? Convection currents in the asthenosphere List the names of major tectonic plates N. American, S. American, Eurasian, IndoAustralian, African, Pacific What is the streak of a mineral? The powder a mineral leaves behind What happens when plates collide? Continent-Continent: folded mountains Continent-Ocean: (subduction zone) volcanoes and trenches Ocean-Ocean: island arcs What happens when plates pull apart? Ocean-Ocean: ocean basin, mid ocean ridge Continent-Continent: fault block mountains and rift valley What is the least reliable property to use when identifying a mineral? How do sedimentary rocks form? What type of rock can become sedimentary? color Weathering, erosion, deposition, compacting, cementing Any! How do metamorphic rocks form? Heat and pressure How do igneous rocks form? Melting and cooling of magma/lava Summarize what you have learned about planet Earth: ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________