How much of Earth is covered with water? -- What is an ocean? -- How does water get to the ocean? -- Why is the sea salty? -- How deep is the ocean? -- What are the ocean zones? -- What lives in the ocean? -- Can anything live at the bottom of the sea? -- What's the biggest animal in the ocean? -- What other large animals are out there? -- What's "the rainforest of the sea"? -- How did rubber duckies help ocean scientists? -- Is there a plastic island in the ocean? -- Does the ocean predict the weather? -- What are the world's largest storms? -- How does the Moon move the oceans? -- What causes waves? -- Will the ocean always stay the same? -- Does it matter if the ocean rises? -- How much do we know about the ocean? -- Compare the oceans.
Bibliography
Includes bibliographical references (page 31) and index.
Summary
Answers questions about the ocean, including how water gets to the ocean, what causes waves, and how rubber duckies helped ocean scientists learn more about how the ocean's waters move.
