8th Grade Salinity Quizzes , Questions & Answers

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Ocean Water Cycle Quiz: Evaporation, Rain, and Salinity

This assessment explores the ocean water cycle, focusing on evaporation, precipitation, and salinity. It evaluates understanding of how these processes interact within marine environments. Engaging with this content is vital for...

Questions: 15 | Attempts: 24 | Last updated: Mar 20, 2026

Sample Question 1
How does evaporation affect the salinity of ocean water?

It lowers salinity by removing dissolved salt along with the water

It has no effect because salt and water evaporate at the same rate

It increases salinity because water evaporates but dissolved salts remain behind

It decreases salinity because evaporation cools the water and slows salt production

Sample Question 2
When seawater freezes to form sea ice, the dissolved salts are trapped inside the ice and removed from the liquid ocean water below.

True

False

Sample Question 3
What happens to ocean salinity in an area where precipitation is much greater than evaporation?

Salinity increases because rain adds minerals to the ocean

Salinity decreases because rainfall adds fresh water that dilutes the salt concentration

Salinity stays the same because precipitation and evaporation always balance exactly

Salinity increases because heavy rain compresses the salt into deeper water

8th Grade Salinity Quizzes , Questions & Answers

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