Water cycle - Nature's endless journey, an educational documentary
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LearningTranscript
00:00the water cycle nature's endless journey water the essence of life from the gentle raindrops
00:12to the vast oceans nature follows an endless cycle a journey that sustains life carves landscapes
00:20and connects every living being this is the story of the water cycle an eternal journey shaping our
00:28world every drop of water is part of an extraordinary cycle it begins where all life begins with the sun
00:38sun's warmth touches the surface of oceans lakes and rivers something incredible happens water
00:47transforms into an invisible gas this is evaporation rising into the sky water begins its journey but
00:58it's not just the water bodies plants release moisture into the air through tiny pores in their
01:04leaves a process called transpiration together these processes fill our atmosphere with water vapor as
01:14the water vapor rises higher the air cools tiny droplets form clustering together to create clouds
01:22clouds this is condensation where vapor turns back into liquid forming the clouds we see floating above
01:31sometimes these clouds grow heavy with moisture preparing for the next stage of the cycle precipitation
01:39when water droplets in the clouds combine and become too heavy they fall back to earth as precipitation rain
01:48snow or hail sometimes nature as the matter lightning and thunder accompany the rain not all precipitation falls as rain in colder regions water falls as snow covering the landscape in a frozen blanket but no matter the form all water eventually finds its way back
02:11water that falls as rain and snow makes its way into rivers lakes and underground reservoirs
02:20some of it seeps deep into the ground replenishing hidden aquifers that sustain life even in the driest places
02:29eventually all water flows back to its greatest reservoir the ocean where the cycle begins once more
02:37and so the cycle continues the water that falls today has traveled through time perhaps as a raindrop
02:46in an ancient rain forest or a snowflake from the ice age every drop has a story be of transformation survival
02:56and renewal the water cycle nature's endless journey