What is salinity?
4.7.2 Temperature, Depth & Pressure & SALINITY (SOL 4.7)

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Science
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4th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Salinity is the measure of the amount of salt dissolved in water, particularly in ocean water.
2.
FLASHCARD QUESTION
Front
How does water pressure change with depth in the ocean?
Back
As you go deeper into the ocean, the water pressure increases.
3.
FLASHCARD QUESTION
Front
What happens to the temperature of ocean water as depth increases?
Back
The temperature of ocean water generally decreases as depth increases.
4.
FLASHCARD QUESTION
Front
What is the relationship between depth and the number of living organisms in the ocean?
Back
As depth increases, the number of living organisms typically decreases.
5.
FLASHCARD QUESTION
Front
How does salt enter the ocean?
Back
Salt enters the ocean from rain that runs off rocks and land into rivers, as well as from the erosion of rocks.
6.
FLASHCARD QUESTION
Front
What is the dependent variable in an experiment?
Back
The dependent variable is the factor that is measured or observed in an experiment, which changes in response to the independent variable.
7.
FLASHCARD QUESTION
Front
What is the independent variable in an experiment?
Back
The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.
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