The ocean is a big place. There is a lot to explore in the ocean. Ocean water covers 71% of Earth’s surface. That is more than half of the planet! This is why Earth is called “The Water Planet.”
Near the ocean
In the ocean
Before You Move On
1.Interpret Diagrams Why do you think the third zone of the ocean is called the midnight zone?
2.Main Idea Why is Earth called “The Water Planet”?