Ocean Salinity and Properties

Ocean Salinity and Properties

Assessment

Interactive Video

Science, Geography, Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the salinity of ocean waters, explaining its importance and the factors influencing it, such as evaporation, freshwater supply, and ocean currents. It discusses the distribution of salinity across different oceanic zones and specific seas, highlighting variations due to geographical and environmental factors. The tutorial concludes with a recap of the key concepts discussed.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three major properties of ocean water essential to life on Earth?

Temperature, salinity, and density

Temperature, pressure, and density

Salinity, pressure, and temperature

Density, pressure, and salinity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process leads to the concentration of salt in ocean waters?

Sublimation

Condensation

Evaporation

Precipitation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average salinity of ocean water expressed in parts per thousand?

45

35

30

40

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are isohalines?

Lines joining places of equal pressure

Lines joining places of equal density

Lines joining places of equal temperature

Lines joining places of equal salinity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor does NOT influence the salinity of ocean water?

Supply of fresh water

Ocean depth

Rate of evaporation

Wind

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which zone has the highest average salinity?

Polar zone

Temperate zone

Tropical zone

Equatorial zone

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average salinity in the polar region?

31 parts per thousand

33 parts per thousand

35 parts per thousand

37 parts per thousand

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