Now you can discover the answers to these and many other fascinating questions about the ocean—the earth's last frontier. Janice VanCleave's Oceans for Every Kid makes learning about the ocean and its inhabitants an intriguing adventure. Use a bottle, pennies, a straw, and clay to demonstrate how submarines rise. Make your own wave holder with index cards and a plastic folder. Through these and other activities you'll find out how fish move up and down in water, how pollutants move into the ocean, how to navigate without a compass, how to map the surface of the ocean floor, and much more.