Mid-Ocean Ridges and Hydrothermal Vents Exercise

Mid-Ocean Ridges and Hydrothermal Vents

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Mid-Ocean Ridges and Hydrothermal Vents

Study mid-ocean ridges and the hydrothermal vents found along underwater mountain ranges. Learn how geological processes form these unique deep-sea structures.

Questions

  1. MultiChoice

    What is the continuous underwater mountain range running through all major oceans?

  2. MultiChoice

    Mid-ocean ridges are formed at which type of tectonic plate boundary?

  3. MultiChoice

    What fills the gap as tectonic plates pull apart at a mid-ocean ridge?

  4. MultiChoice

    What is the central valley along the crest of a mid-ocean ridge called?

  5. MultiChoice

    What underwater openings along mid-ocean ridges spout superheated, mineral-rich water?

  6. MultiChoice

    Organisms around hydrothermal vents get energy through which process instead of photosynthesis?

  7. MultiChoice

    What is the longest continuous mountain chain on Earth?

  8. MultiChoice

    What name is given to high-temperature hydrothermal vents that emit dark sulfide minerals?

  9. MultiChoice

    As you move farther away from a mid-ocean ridge, what happens to the age of seafloor rocks?

  10. MultiChoice

    Where is brand new ocean floor crust created?

  11. MultiChoice

    What magnetic evidence recorded in seafloor rocks proved seafloor spreading?

  12. MultiChoice

    Which scientist proposed the groundbreaking theory of seafloor spreading in the early 1960s?