Скачать или смотреть Why the Ocean Is Salty

Why is the ocean salty when rivers, rain, and ice are fresh water?

In this Knowledge Made Simple video, we explain why the ocean is salty using clear language, simple examples, and no jargon. You’ll learn where ocean salt actually comes from, how rain and rocks work together, why evaporation makes oceans salty, and why lakes usually stay fresh while oceans don’t.

This video explains:

Where ocean salt comes from

How rivers deliver minerals to the sea

Why evaporation increases saltiness

Why oceans don’t drain like lakes

How ocean salt levels stay balanced over time

Perfect for classrooms, students, homeschoolers, and curious minds of all ages. No chemistry background required — just curiosity.

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00:00 Why Is the Ocean Salty?
00:10 The Mystery of Salty Seas
00:37 Rivers Carry Salt to the Ocean
00:53 How Rocks Create Ocean Salt
01:11 Sodium and Chloride Explained
01:56 How Evaporation Makes Oceans Saltier
02:25 Why Lakes Are Usually Freshwater
02:51 Why Some Lakes Are Extremely Salty
03:12 How Much Salt Is in the Ocean?
03:38 How the Ocean’s Salt Balance Works
04:02 Fun Facts About Ocean Salt
04:33 Why the Ocean Will Always Be Salty