How do hydrothermal vents form?
Unit 7 Chapter 9 Flashcard

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English
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4th Grade
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Easy
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1.
FLASHCARD QUESTION
Front
Back
Cold seawater sinks through cracks, heats near magma, and returns as hot water.
2.
FLASHCARD QUESTION
Front
What type of animals might live near hydrothermal vents?
Back
Pale shrimp, giant tube worms, and white crabs.
3.
FLASHCARD QUESTION
Front
What is the Mid-Atlantic Ridge?
Back
A long, underwater mountain range where tectonic plates are moving apart.
4.
FLASHCARD QUESTION
Front
Why does the water coming out of hydrothermal vents look like smoke?
Back
Minerals in the hot water form tiny particles when they meet cold seawater.
5.
FLASHCARD QUESTION
Front
What did scientists learn about seafloor spreading from the Mid-Atlantic Ridge?
Back
Continents are pushed farther apart as the seafloor spreads.
6.
FLASHCARD QUESTION
Front
What is a hydrothermal vent?
Back
An opening in the sea floor that emits hot, mineral-rich water.
7.
FLASHCARD QUESTION
Front
What role do hydrothermal vents play in ocean ecosystems?
Back
They provide nutrients and energy for unique organisms that thrive in extreme conditions.
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