This two-page activity is an introductory worksheet for drawing Lewis sketches for a cell chemistry unit in biology or atoms/molecules unit in chemistry or physical science. An informative, detailed four-step instructional guide is at the top of the student page. Students count the total number of valence electrons in each structure for step one. There is a blend of fifteen organic and inorganic molecules for students to sketch in this activity. This worksheet is editable. A two-page colored answer key is provided.