Use Vocabulary Explain how rocks on the seafloor record magnetic reversals over time. 2 Diagram the process of seafloor spreading. 3 Use the term seafloor spreading to explain how a mid-ocean ridge forms. Understand Key Concepts 4 Oceanic crust forms A. at mid-ocean ridges. B. everywhere on the seafloor. C. on the abyssal plains. D. by magnetic reversals. 5 Explain why magnetic stripes on the seafloor are parallel to the mid-ocean ridge. 6 Describe how scientists can measure the depth to the seafloor. Interpret Graphics 7 Determine Refer to the image above. Where is the youngest crust? Where is the oldest crust? 8 Describe how seafloor spreading helps to explain the continental drift hypothesis. 15. gel 9 Sequence Information Copy and fill in the graphic organizer below to explain the steps in the formation of a mid-ocean ridge. CECI Critical Thinking 10 Infer why magnetic stripes in the Pacific Ocean are wider than in the Atlantic Ocean. 11 Explain why the thickness of seafloor sediments increases with increasing distance from the ocean ridge.
Use Vocabulary Explain how rocks on the seafloor record magnetic reversals over time. 2 Diagram the process of seafloor spreading. 3 Use the term seafloor spreading to explain how a mid-ocean ridge forms. Understand Key Concepts 4 Oceanic crust forms A. at mid-ocean ridges. B. everywhere on the seafloor. C. on the abyssal plains. D. by magnetic reversals. 5 Explain why magnetic stripes on the seafloor are parallel to the mid-ocean ridge. 6 Describe how scientists can measure the depth to the seafloor. Interpret Graphics 7 Determine Refer to the image above. Where is the youngest crust? Where is the oldest crust? 8 Describe how seafloor spreading helps to explain the continental drift hypothesis. 15. gel 9 Sequence Information Copy and fill in the graphic organizer below to explain the steps in the formation of a mid-ocean ridge. CECI Critical Thinking 10 Infer why magnetic stripes in the Pacific Ocean are wider than in the Atlantic Ocean. 11 Explain why the thickness of seafloor sediments increases with increasing distance from the ocean ridge.
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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