Claim, Evidence, Reasoning
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CER is a strategy used to construct explanations and craft scientific arguments.
Claim A scientific claim answers a question or offers a solution to a problem. Reflect on
the Chapter Driving Question and brainstorm potential answers. Use your observations
from activities in the lessons in the chapter to formulate your claim about the question.
Record your claim below.
Sample answer:
Evidence Scientific evidence is information that supports or contradicts a claim. This
information can come from a variety of sources: research, experimentation, and data
interpretation. In science, it is important to have multiple pieces of evidence to support
your claim. Return to this page to record your evidence while working through the
lessons. What evidence have you discovered to support or contradict your claim?
Record your evidence below.
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Sample answer:
Claim, Evidence, Reasoning
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Revised Claim When you are finished with the lessons in this module, review your
evidence. Use keywords from the lessons to strengthen your claim. If the evidence
contradicts your claim, revise it according to the evidence.
Record your original claim and your revised claim below.
Sample answer:
Reasoning Explain your reasoning for how and why your evidence supports your claim.
Describe the scientific principle, knowledge, or theory that you used to create your
argument.
Record your reasoning below.
Copyright © McGraw Hill
Sample answer:
Claim, Evidence, Reasoning
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