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Transcript
Earth Science 6th Grade: Vocabulary: The Atmosphere 2 Name: _________________________ Directions: Select from the numbered definitions or descriptions the best answer for each of the given terms. Put the number in the proper space in the magic square box. The sum of the numbers will be the same horizontally, vertically, and diagonally. Magic Number: ________ A B C D E F G H I J K L M N O P Q R S T U V W X Y Terms: A. Subduction B. Fault C. Seismic Waves D. Radiation E. Continental Drift F. Deep-ocean trench G. Transform boundary H. Asthenosphere I. Convection J. Pangaea K. Sonar L. Rift valley M. Lithosphere N. Convection current O. Fossil P. Sea-floor spreading Q. Plate tectonics R. Mantle S. Conduction T. Mid-ocean ridge U. Convergent boundary V. Crust W. Divergent boundary X. Outer core Y. Plate Definitions or Descriptions: 1. An undersea mountain chain where new ocean floor is produced. 2. The transfer of thermal energy by the movement of a fluid. 3. The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle at a convergent plate boundary. 4. A deep valley that forms where two plates move apart. 5. A plate boundary where two plates move away from each other. 6. A rigid layer made up of the uppermost part of the mantle and the crust. 7. A break or crack in Earth’s lithosphere along which the rocks move. 8. A layer of molten iron and nickel that surrounds the inner core of Earth. 9. The name of the single landmass that broke apart 200 millions years ago and gave rise to today’s continents. 10. The process by which molten material adds new oceanic crust to the ocean floor. 11. A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle. 12. A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust. 13. The theory that pieces of Earth’s lithosphere are in constant motion, driven by convection currents in the mantle. 14. Vibrations that travel through Earth carrying the energy released during an earthquake. 15. The movement of a fluids caused by differences in temperature, that transfers heat from one part of the fluid to another. 16. The direct transfer of energy through space by electromagnetic waves. 17. The layer of hot, solid material between Earth’s crust and core. 18. A trace of an ancient organism that has been preserved in rock. 19. A plate boundary where two plates move toward each other. 20. A plate boundary where two plates move past each other in opposite directions. 21. The layer of rock that forms Earth’s outer surface. 22. A device that determines the distance of an object under water by recording echoes of sound waves. 23. The soft layer of the mantle on which the lithosphere floats. 24. The direct transfer of thermal energy from one substance to another substance that it is touching. 25. The hypothesis that the continents slowly move across Earth’s surface.