water class 7

What is a WATER CYCLE?

• The Process by which water occasionally changes it's form and circulates between oceans, atmosphere and land is known as water cycle.

• The Process by which water continually changes it's form and circulates between oceans, atmosphere and land is known as water cycle.

• The Process by which water occasionally changes it's form and circulates between amazon river, atmosphere and land is known as water cycle.

• The Process by which water in rainy season changes it's form and circulates between oceans, atmosphere and land is known as water cycle.

What are tides?

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What type of tide is this?

Why is ocean water salty

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A huge wave is called Tsunami.

• True

• False

The warm ocean currents originate near________.

• Equator

• Poles

• None of these

Caspian Sea

• Largest sea

• Water cycle

• Strong seismic

• Largest lake

The __________ in Andaman and Nicobar islands got submerged after the tsunami.

The waves travel at the speed of more than ____Km per hour.

• 500

• 600

• 700

• 750

___________ are formed when winds scrape across the ocean surface.

• Tides

• Ocean Currents

• Tsunami

• Waves