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Section 4.4- Sea Floor Spreading Reading Notes 1. What is a mid-ocean ridge?

Section 4.4- Sea Floor Spreading Reading Notes 1. What is a mid-ocean ridge?

Section 4.4- Sea Floor Spreading Reading Notes 1. What is a mid-ocean ridge?. A mid-ocean ridge is an undersea mountain chain where new ocean floor is produced. 2. How did scientists map mid ocean ridges in the mid-1900’s?. Scientists used sonar to map mid ocean ridges in the mid-1900’s.

By vaughn
(285 views)

Sea-Floor Spreading

Sea-Floor Spreading

Sea-Floor Spreading. The Mid Ocean Ridge is the longest chain of mountains in the world at more that 50,000 km long! That’s longer the total circumference of the earth!. A steep-sided valley splits the top of the mid-ocean ridge for most of its length. .

By dympna
(174 views)

Review from yesterday!

Review from yesterday!

Review from yesterday!. http://wrgis.wr.usgs.gov/docs/parks/animate/A08.gif. What is the theory of continental drift?. the idea that the continents were once all joined together in one super-continent called Pangaea and slowly moved to their current positions. Key concepts.

By marion
(75 views)

Sea-Floor Spreading

Sea-Floor Spreading

Sea-Floor Spreading. Key Concepts What is the process of sea-floor spreading? What is the evidence for sea-floor spreading? What happens at deep-ocean trenches?. Key Terms. Mid-ocean ridge Sonar Sea-floor spreading Deep-ocean trench subduction. Mapping the Ocean Floor.

By tekla
(455 views)

Warm Up!

Warm Up!

Warm Up!. Why was Wegener´s hypothesis rejected?. Warm Up!. Why was Wegener´s hypothesis rejected? He could not explain what was pushing or pulling the continents. S4 - Sea-Floor Spreading Big book pgs. 141-147 Small book pgs. 23-29. Was Wegener Right?.

By jslane
(0 views)

Jeopardy

Jeopardy

Jeopardy. Earth’s Layers. Plate Boundaries. Sea-Floor Spreading. Weathering. Trivia. Q 6. Q 11. Q 16. Q 21. Q 1. Q 2. Q 7. Q 12. Q 17. Q 22. Q 8. Q 18. Q 13. Q 3. Q 23. Q 9. Q 14. Q 4. Q 19. Q 24. Q 15. Q 5. Q 10. Q 20. Q 25. Final Jeopardy. Question 1.

By gagnem
(0 views)

Sea Floor Spreading

Sea Floor Spreading

Sea Floor Spreading. Chapter 4.4. What is the mid-ocean ridge? What do we use to map the mid-ocean ridge?. The mid-ocean ridge is the longest chain of mountains in the world. The mid-ocean ridge is mapped using Sonar. What idea did Harry Hess propose?.

By carloswhitten
(0 views)


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