By Maura Bostwick Neill. 4 worksheet set includes a study guide, crossword puzzle, word search and a matching pair puzzle. These worksheets are also sold separately. 20 vocabulary words defined that are applicable to bacterial and viral groups, shapes, life cycles, uses, and properties. Life science, microbiology, biology, health, and diseases. I use these worksheets and puzzles, with the chapter from the textbook on this topic, and as review for a quiz.