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Transcript
Name ______________________________ Class ___________________ Date __________________ Skills Worksheet Standard S6E5 a. (pages 192-197) THE PHYSICAL STRUCTURE OF THE EARTH Match the correct description with the correct term. Write the letter in the space provided. _____ 1. the outermost, rigid rocky layer of the Earth (Crust and upper mantle) _____ 2. a layer of slowly flowing rock in the mantle (where convection currents occur) a. b. c. d. e. asthenosphere lithosphere mesosphere outer core inner core _____ 3. the liquid layer of the core (made of iron and nickel) _____ 4. the solid layer of the core (made of iron and some nickel) _____ 5. the strong rocky, lower part of the mantle TECTONIC PLATES _____ 6. Large pieces of the lithosphere that move around on the asthenosphere are called a. mantle pieces. b. crust pieces. c. tectonic plates. d. puzzle pieces. 7. Why are tectonic plates like the pieces of a jigsaw puzzle? _______________________________________________________________ _______________________________________________________________ 8. What are the two kinds of crust that a tectonic plate may contain? _______________________________________________________________ _______________________________________________________________ Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 1 Plate Tectonics Name ______________________________ Class ___________________ Date __________________ Directed Reading A continued 9. List three ways in which tectonic plates floating on the asthenosphere are similar to ice cubes filling a punch bowl. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ MAPPING THE EARTH’S INTERIOR _____ 10. What do scientists use to study Earth’s interior? a. sea-floor spreading rates b. magnetic reversals c. global positioning system d. seismic waves _____ 11. What are seismic waves? a. movements in the outer core b. pictures of the Earth’s interior c. vibrations from an earthquake d. vibrations from a seismograph 12. Will a seismic wave traveling through a solid go faster or slower than a seismic wave traveling through liquid? Explain your answer. _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ Compare and Contrast the Lithosphere, Asthenosphere, and Mesosphere: Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 2 Plate Tectonics