This is a one page worksheet to use when teaching Workshop 4 (Crime Lab Science) from the Read 180 FLEX RBook (red book). This is a CLOZE worksheet which includes 20 direct sentences from the articles in this Workshop as well as a word bank for students to fill in missing words. The purpose of this worksheet is A) To help students review the information learned in this workshop, and B) To help students improve reading fluency by practicing CLOZE fill in the blank sentences. The RBook is not needed to complete this assignment and this assignment could be completed by students not in Read 180. An answer key is included.