By Maura Bostwick Neill. Set includes a crossword, word search, matching pairs puzzle and a vocabulary review sheet. Worksheets are also sold separately. 25 terms and definitions associated with description and characteristics of living things, their needs and basic molecules. I use the puzzles for quiz review or and the vocabulary sheet as a companion to textbook chapter on this topic. Applicable to life science, biology, general science, and cells.Link to other items on same topic: 6 Activity