In this mollusks worksheet, students complete a word search for terms related to the different types of mollusks and their body structures.

In this mollusks worksheet, students complete a crossword puzzle given 15 clues about the structures of mollusks, the characteristics of mollusks and types of mollusks.

Second graders sorted shells first by methods they thought appropriate and then were instructed on the scientific method of classification by univalve and bivalve. Students then sorted paper shells as a method of assessing knowledge. It...