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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. 📘 Part of the playlist: Start Here: How the World Works (Simple Explanations) ▶️ New videos every week explaining everyday science calmly and clearly. 👍 Like if this finally made sense 💬 Comment your favorite ocean fact 🔔 Subscribe for more science explained simply 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