How do you understand the Oceans?

How many Oceans are there on Earth?

• 3

• 4

• 5

• 6

The largest ocean in the world covers...

• 28% of the Earth square

• 70% of the Earth square

• 45% of the Earth square

• 60% of the Earth square

The deepest trench in the world is...

• Mariana trench in Pacific Ocean

• Puerto Rico trench in Atlantic Ocean

• Java trench in Indian Ocean

• Fram Basin in Arctic Ocean

Which is the boundaries of Atlantic Ocean?

• between Europe, Asia and North America and most of its waters are north of the Arctic Circle

• taken from the Pacific, Atlantic and Indian Oceans

• between Africa, the Southern Ocean, Asia, and Australia

• includes other water bodies such as the Baltic Sea, Black Sea, Caribbean Sea, Gulf of Mexico, Mediterranean Sea and the North Sea

Which statement below is correct?

• The salinity of warm waters is a little higher than of the cold ones.

• The water in cold currents is denser than in the warm ones.

• The salinity of seawater is independent from temperature.

• The warm currents move from the polar regions towards equator.

Which is the common direction of warm current?

• From the polar to the equatorial regions.

• From the equatorial to the polar regions.

• From the denser water regions to the less dense water regions.

• From the colder regions to the warmer regions

Fish provides a wide range of:

• Vitamins, amino acids, saturated fatty acids.

• Vitamins, unsaturated fatty acids, protein.

• Amino acids, saturated acids, heavy metals.

• Protein, heavy metals, vitamins.

Which component is the most abundant in the Oceans?

Which ocean has been found to be the saltiest ocean in the world?

• Pacific Ocean

• Indian Ocean

• Atlantic Ocean

• Arctic Ocean

The Titanic sunk in the Atlantic Ocean. What year did it sink?

• 1912

• 1924

• 1908

• 1920