Water

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

• Tide

• Ocean current

• Wave

The sun's heat causes evaporation of __________.

• water

• sand

• gas

• vapour

Generally warm ocean current originate near the __________.

• Tropic of Cancer

• Equator

• Tropic of Capricorn

• Frigid zone

March 22nd is celebrated is _____________.

• World Water Day

• World Earth Day

• Afforestation Day

Tsunami is a ____________ word.

• Japanese

• English

• Arabic

• Chinese

Over _________ Percent of Fresh Water on Earth is Trapped in Glaciers.

• 68

• 65

• 50

• 70

The process by which water continually changes its form and circulates between oceans, atmosphere and land

• Water cycle

• Tides

• Waves

• Ocean currents

Which water is salty?

• River water

• Sea water

• Pond water

• Rain water

Which one of the following is an artificial enclosure for keeping small house plants?

• Evaporation

• Thermosphere

• Terrarium

• Climate

Sea water contains

• 97.3% of salt

• 2% of salt

• 0.973% of salt

• 0.68% of salt