Reading Passage Vocabulary List Ten-Question Quiz Answer Key Great Homework ResourceSub Plan Option Whether in chemistry or biology, at the ground floor, understanding the molecule is basic and essential. This passage is written in an easy-to-understand manner to promote the student’s ability to read and comprehend subject matter at the high school level, grades 9–12. A vocabulary list has been added to make quick references a breeze. The quiz consists of fill-in-the-blank, true/false, and