Vocabulary:

• Ocean (noun): A large body of salt water that covers most of the Earth.
• Salty (adjective): Having the taste of salt.
• Water cycle (noun): The continuous movement of water on, above, and below the surface of the Earth.
• Minerals (noun): Naturally occurring substances that are found in the Earth.
• Evaporation (noun): The process of turning from liquid into vapor.

Discussion Questions:

• Have you ever tasted ocean water? What did it taste like?
• Why do you think salt is important for our bodies?
• What do you think happens to the water when it evaporates?

Article:

Introduction:

Have you ever wondered why ocean water is salty? It is one of the most interesting things about our planet. Let’s explore how the ocean became salty!

1. Rain and Rivers:

Salt comes from rocks. When it rains, water flows over the land and into rivers. As the water moves, it picks up tiny bits of salt and other minerals from the rocks. This water then flows into the ocean.

2. The Water Cycle:

The water cycle helps keep the oceans salty. When the sun heats the ocean, some water evaporates and turns into vapor. This water vapor does not contain salt. It forms clouds and eventually falls back to the Earth as fresh rainwater.

3. Salt Accumulation:

Over time, as rivers continue to bring salt into the ocean and evaporation removes water, the salt remains in the ocean. This makes the ocean salty!

4. Ocean Life and Salt:

Salt is important for ocean life. Many sea creatures need salt to live. They have special ways to balance the salt in their bodies with the salt in the ocean.

Conclusion:

The ocean is salty because of rain, rivers, and the water cycle. Understanding why the ocean is salty helps us learn more about our planet and the life it supports.

Discussion Questions:

• What do you think would happen if the ocean was not salty?
• Why is it important to keep our oceans clean?
• If you could explore the ocean, what sea creature would you want to see?