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Vocabulary - $100Heat transfer by the movement of a heated fluid.What is convection?Back to BoardTodays CategoriesVocabularyLayers of the EarthHeat Transfer and Continental DriftSea-floor SpreadingPlate Tectonics (boundaries)

Plate Boundaries - $100The process that powers plate tectonics.What is convection?Back to BoardVocabulary - $200A measure of how much mass there is in a volume of a substance.What is density?Back to BoardSea-floor Spreading - $200The longest chain of mountains in the world.What is the mid-ocean ridge?Back to BoardPlate Boundaries - $200The separate sections that Earths lithosphere is broken into.What are plates?Back to BoardVocabulary - $300The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary.What is subduction?Back to BoardSea-floor Spreading - $300As oceanic crust moves away from the mid-ocean ridge, it becomes _________ and ___________.What is cooler and more dense?Back to BoardPlate Boundaries - $300A place where two plates slip past each other.What is a transform boundary?Back to BoardVocabulary - $400Scientists who study the forces that make and shape the planet Earth.Who are geologists?Back to BoardSea-floor Spreading - $400The 3 types of evidence for Sea-floor spreading.What are molten material, magnetic stripes, and drilling samples?Back to BoardPlate Boundaries - $400A rift valley forms when two continental plates ___________. What is diverge?Back to BoardVocabulary - $500The process that continually adds new material to the ocean floor.What is sea-floor spreading?Back to BoardHeat Transfer/Continental Drift - $400The reason scientists rejected Wegeners theory .What is he could not explain how Pangaea separated?Back to BoardHeat Transfer/Continental Drift - $100The transfer of energy through empty space.What is radiation?Back to BoardHeat Transfer/Continental Drift - $200This man proposed the theory of continental drift.Who is Alfred Wegener?Back to BoardHeat Transfer/Continental Drift - $300

DAILY DOUBLE!!!Heat Transfer/Continental Drift - $500The 3 types of evidence that Wegener used to support this theory of continental drift.What are landforms, fossils, and climate ?Back to BoardLayers of the Earth - $200The part of the mantle that can bend like plastic. What is the asthenosphere?Back to BoardLayers of the Earth - $300Includes all of the crust and part of the mantle.What is the lithosphere?Back to BoardLayers of the Earth - $400The 6 layers of the earth from innermost to outermost. What are the inner core, outer core, mantle, asthenosphere, lithosphere, and crust?Back to BoardLayers of the Earth - $500The major difference between the inner and outer core.What is the inner core is a solid and the outer core is a liquid? Both are made of iron and nickel. Back to BoardSea-floor Spreading - $500Explain the steps involved in the continuous process of sea-floor spreading.What are convection currents in the asthenosphere, molten material erupting from the mid-ocean ridge, sea-floor spreads as material cools and becomes more dense, then denser material subducts back into the mantle?Back to BoardPlate Boundaries - $500Label the following types of plate boundaries.A = divergent o/oE = convergent o/oB = convergent o/cF = convergent c/cC = transformD = divergent c/cBack to Board

DEFABC

Heat Transfer/Continental Drift ---Back to BoardThe 3 things that cause convection currents.What are change in temperature, change in density, and gravity?