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...