Art activities give young ecologists a way to express what they have learned about oceans. This book also answers such questions as why is water blue?; how do some animals in the deepest part of the ocean make their own light?; and what makes some oceans salty? Topics include: the deep blue sea and a 3-D underwater scene, seaweed, algae, kelp and a seaweed collage, marine invertebrates and jellyfish art, ocean crustaceans and clicking castanets, Arctic Ocean animals and penguin portraits, ocean pollution and diving bird mobile, salt water and flamingo dough sculpture, mangrove plants, animals and mangrove tree poster, islands, pirates and treasure map, weird sea creatures and octopus tentacle art, ocean mammals and papier mache whale, exploring oceans and deep-sea diver model, ocean graves and shipwreck scene, tidal pools and sandy seaside craft, deep sea fish and fishy monster creation, and sea cows and magical mermaid-making.