
Ocean Salinity Concepts and Effects

Interactive Video
•
Science, Geography, Biology
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary way ocean salinity is expressed?
Parts per thousand
Grams per liter
Parts per million
Percentage
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a major source of ocean salinity?
Atmospheric deposition
Volcanic eruptions
Marine organisms
Rivers carrying dissolved salts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does high evaporation affect ocean salinity?
It stabilizes salinity
It increases salinity
It has no effect on salinity
It decreases salinity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does river influx have on ocean salinity at river mouths?
No effect on salinity
Stabilizes salinity
Decreases salinity
Increases salinity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which region typically has the highest ocean salinity?
Temperate regions
Subtropical regions
Polar regions
Equatorial regions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average salinity of ocean water?
40 parts per thousand
35 parts per thousand
30 parts per thousand
25 parts per thousand
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sea is known for having salinity above normal levels?
Arctic Ocean
Caribbean Sea
Red Sea
Baltic Sea
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