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
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MultiChoice
What is the continuous underwater mountain range running through all major oceans?
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MultiChoice
Mid-ocean ridges are formed at which type of tectonic plate boundary?
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MultiChoice
What fills the gap as tectonic plates pull apart at a mid-ocean ridge?
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MultiChoice
What is the central valley along the crest of a mid-ocean ridge called?
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MultiChoice
What underwater openings along mid-ocean ridges spout superheated, mineral-rich water?
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MultiChoice
Organisms around hydrothermal vents get energy through which process instead of photosynthesis?
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MultiChoice
What is the longest continuous mountain chain on Earth?
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MultiChoice
What name is given to high-temperature hydrothermal vents that emit dark sulfide minerals?
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MultiChoice
As you move farther away from a mid-ocean ridge, what happens to the age of seafloor rocks?
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MultiChoice
Where is brand new ocean floor crust created?
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MultiChoice
What magnetic evidence recorded in seafloor rocks proved seafloor spreading?
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MultiChoice
Which scientist proposed the groundbreaking theory of seafloor spreading in the early 1960s?