Ch – 5 Water (Q-A)

Q.1: What is precipitation ?

Ans: Precipitation is a form of liquid that falls back on earth from the atmosphere in the form of rain, snow, sleet, etc.

Q.2: What is water cycle ?

Ans: The process by which the water changes its form continuously and circulates between oceans, atmosphere and land is known as water cycle.

Q.3: What are the factors affecting the height of the waves ?

Ans: Wind, earthquake, volcanic eruption and tsunami are the factors affecting the height of the waves.

Q.4: Which factors affect the movement of ocean waters ?

Ans: Temperature, wind, gravitational pull of the sun, earth and moon, warm and cold currents are the factors affecting the movement of ocean waters.

Q.5: What are tides and how they are caused ?

Ans: The rhythmic rise and fall of ocean water twice in a day is called a tide. It is caused by the strong gravitational pull exerted by the sun and the moon on the earth’s surface.

Q.6: What are ocean currents ?

Ans: Ocean currents are streams of water flowing constantly on the ocean surface in definite directions.

Published by Priya Prakash

In the midst of winter, i found there was within me an invincible summer ~ Albert Camus

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