In Common Sense Science Oceans, students are introduced to planet Earth and then learn about:
The Water Cycle
Oceanography
Saltwater/Ocean Floor
The Layers of the Ocean
Tides
Waves/Current
Life on the Shore
Coral Reefs
 
They will then study about life in the ocean:
Crustaceans, Mollusks, and Sponges
Types of Fish
Anemones, Marine Worms, Echinoderms, and Smaller Marine Fishes
Sharks/Rays
Marine Reptiles
Marine Mammals
Pinnipeds
 
Graphic Organizers include a Discovering the Ocean book and a Life in the Ocean book.
 
Note: Student Materials doesn't come in the textbook they can be purchased here