Here are 10 CER (Claim, Evidence, Reasoning)CHEMICAL SCIENCE photo writing prompts for critical, scientific thinking that can be used as bell ringers, introductions, review or even as an assessment . Each slide has an image, the main question and a graphic organizer for the students to fill in the claim, evidence and then reasoning. The second slide for each image supplies a place for the students to write the completed CER paragraph.Depending on your needs and timeframe, students can use eviden