What was the initial assumption about the source of the ocean's salinity?

Ocean Chemistry and Geological Processes

Interactive Video
•
Chemistry, Science
•
7th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Underwater vents
Volcanic eruptions
Rivers
Rainfall
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are black smokers?
Volcanic eruptions
Deep-sea fish
Micro crystals of minerals
Large oceanic waves
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In what year were black smokers discovered?
1999
1989
1979
1969
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often does the entire volume of the world's oceans cycle through the Earth's interior?
Every 10-12 million years
Every 6-8 million years
Every 3-4 million years
Every 1-2 million years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process occurs along the mid-ocean ridge?
Formation of new oceanic crust
Creation of deep-sea trenches
Exchange of chemicals between ocean and Earth
Eruption of underwater volcanoes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of magma chambers in ocean chemistry?
They form coral reefs
They create ocean currents
They provide minerals for chemical exchange
They heat the ocean water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to describe the mid-ocean ridge?
A river delta
A mountain range
A seam on a baseball
A zipper
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