This is a one page worksheet to use with Workshop 4 (Crime Lab Science) of the Read 180 FLEX RBook (red book). This crossword puzzle includes 13 clues which are based on the information in the readings from this unit and the topics students are learning. The purpose of this activity is to help students review the material they have learned and remember details. This is to be used as a supplement to the workshop, or as a homework activity. An answer key is included.