Read Works
Read Works: Oceans, Rivers, and Lakes by Linda Ruggieri
[Free Registration/Login Required] This passage focuses on bodies of water including oceans, rivers, and lakes including explaining how the oceans get salty. A comprehension question set and a vocabulary worksheet for the word "vent" are...
Science4Fun
Science4 Fun: Oceans
Learn about the five oceans of the Earth, life in the oceans, and why oceans are salty.
Science Buddies
Science Buddies: How Salty Is the Sea?
Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...
Other
University of Texas at Dallas: Why Is the Sea Salty?
A clear and concise explanation of why some of the earth's waters are salty and others are not.
The Franklin Institute
Missouri Botanical Garden: Ocean Facts
Click on all the links to find out many interesting facts about the ocean. Why is the ocean blue? Why is it salty? Where do most of the animals and plants live? Which ocean is the biggest? The deepest? How much of the Earth is covered by...