Water

What is the average salinity of the oceans parts per thousand ?

• 17

• 25

• 35

• 90

Which sea has the salinity of 340 g per litre of water ?

• Red sea

• Caspian Sea

• Dead Sea

• Celebs Sea

When is celebrated as World Water Day ?

• June 5

• June 21

• April 24

• March 22

What are called waves ?

• The rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth

• Water on the surface of the ocean rises and falls alternately,

• Large scale movement of waters in the ocean basins.

• Land next to the sea or ocean, or the region near it

What causes Tides ?

• The strong gravitational pull exerted by the sun and the moon

  on the earth’s surface.

• Heavy rainfall when natural watercourses do not have the capacity to carry excess water.

• Volcanic eruptions, submarine landslides, and coastal rock falls

What are ocean currents ?

• Streams of water flowing constantly on the ocean surface in definite directions.

• Series of waves in a water body caused by the displacement of a large volume of water

• Overflow of water that submerges land that is usually dry.

• Event of prolonged shortages in the water supply, whether atmospheric, surface water or ground water.

What are the 4 stages of Water Cycle ?

• Precipitation

• Collection

• Condensation

• Precipitation

What is an artificial enclosure for keeping small house plants ?

• Spring Tide

• Ocean current

• Neap tide

• Terrarium

Tsunami is a Japanese word that means _____________

• Surface waves

• High waves

• Harbor Waves

• Low waves

The rythmic rise and fall of ocean water twice in a day is called

• Waves

• Ocean current

• Water Cycle

• Tides