Properties and Characteristics of Sea Water

This video tutorial covers the properties of sea water, including its general characteristics, temperature, salinity, and density. It explains how minerals from rocks and soil dissolve in water, contributing to the salinity of oceans. The video also discusses how temperature varies with depth and latitude, and how factors like ocean currents and evaporation influence these properties. The tutorial concludes with a brief mention of salinity differences in various regions and a preview of the next lesson on salinity and density.

Which of the following is NOT a property of sea water discussed in the lesson?

• Color

• Density

• Temperature

• Salinity

What is the largest water body on Earth?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

• Arctic Ocean

Why do seas and oceans become salty over time?

• Because of the melting of icebergs

• Because of the evaporation of water leaving salt behind

• Due to volcanic activity

• Due to the addition of salt by humans

At what depth does the temperature of sea water become uniform?

• 2000 meters

• 1500 meters

• 1000 meters

• 500 meters

How does the temperature of sea water change with latitude?

• It remains constant across all latitudes

• It fluctuates randomly

• It increases from equatorial areas to the poles

• It decreases from equatorial areas to the poles

Which factor does NOT influence the surface temperature of sea water?

• Ocean currents

• Seasons

• Cyclones

• Altitude

What is the average temperature of sea water near the equator?

• 25 degree Celsius

• 16 degree Celsius

• 2 degree Celsius

• 45 degree Celsius

Which region has the highest salinity in the sea?

• Tropical regions

• Polar regions

• Mid-latitudinal zones

• Equatorial regions

What is the salinity percentage of the Dead Sea?

• 332%

• 15%

• 35%

• 25%

Which sea has more salinity, the Arabian Sea or the Bay of Bengal?

• Arabian Sea

• Bay of Bengal

• Both have the same salinity

• Neither, they are both fresh water