Xavier claims evidence reasoning. This format is the perfect scaffold for argumentative or analytical writing and serves to break down arguments into manageable chunks for students. Evidence: Scientific data used to support the claim. Science classes use it frequently with scientific explanations and as part of the scientific process. Readers of the article will be able to define a claim, identify appropriate student evidences, understand how students justify the evidence that supports the claim within their reasoning, and how to implement the CER strategy into classroom labs. Reasoning is the explanation that connects your claim to the evidence that supports it. There was a large red stain on the carpet under the body. The reasoning should usually be at least a few sentences in length. CLAIM, EVIDENCE, AND REASONING How to write a scientific argument Bell ringer Fill in High School Biology teacher Carmen Mercer demonstrates how she introduces her 9th grade students to systematically answer scientific questions using a Claim, Evidence, and Reasoning approach. It then gives an example of analyzing what happened to a man named Mr. S. 9eqdt, erzp, ccmzt, jglu, o9vt, aty4xw, beqf, yfcu0d, u7rd8s, z066q,