Water is everywhere, but how much do we know about the many bodies of water that surround us? Young readers can dive right in and explore the sea of information included in Oceans and Marine Life. How many oceans are there in the world? What causes tides? What are the different types of marine creatures? There's so much to discover about the watery world, including life on the seashore and the ocean floor, the water cycle, and ways to preserve the oceans. The Do You Know?(TM) books provide an in-depth look at a wide range of popular subjects. Appealing to children who want to know everything, each thought-provoking book features answers to many popular questions, informative content, labeled illustrations, an index to key terms, and a More to Know section that motivates children to explore further. An indispensable resource for any child's library!