The Hydrosphere

Give the name of the second largest ocean.

Answer explanation

The deepest place of earth is the Mariana Trench, altitude is 11.034 kms under sea level.

Choose the criteria that doesn't make an ocean.

• individual current system

• separate basin

• 2.5% salt content

• large mean depth

Answer explanation

Salt content of ocean water ranges between 3.3-3.7%.

Give the percentage oceans cover of the surface of Earth.

Answer explanation

This is 361 million km2 out of the total 510 million km2.

Choose the inland sea.

• Gulf of Mexico

• Bay of Bengal

• Dead Sea

• Black Sea

Answer explanation

The strait of Bosphorus and the Dardanelles connects it to the Mediterranean Sea.

Choose the peripherical sea.

• Red Sea

• Gulf of Mexico

• Caspian Sea

• Persian Gulf

Waves are generated by the wind.

• True

• False

Waves erode the surface at deep-water shorelines.

• True

• False

Waves deposit sand at shallow water shores.

• True

• False

The one in the picture is a shallow-water shore.

• True

• False

The one in the picture is a shallow water shore.

• True

• False