This 29 slide PowerPoint describes mollusks. General characteristics of all mollusks are given. Then the three major groups of mollusks are described: Bivalves, Gastropods, and Cephalopods. Animals mentioned are clams, mussels, scallops, oysters, snails, slugs, octopus, and squid. Photos and examples of each are given. YouTube video suggestions are also found throughout the PowerPoint. You may also be interested in purchasing separately the note taking guide that students may fill out while viewing. The formatting is with fill-in-the-blanks. Students can guess the word they believe fits into the blank, then it can be revealed with a click.