Using C.E.R to refute the difference between an onion cell and cheek cell. Strategies include categorizing the cells into a Venn Diagram. This lesson comes with a VENN Diagram that students will fill in comparing and contrasting animal and plant cells using a word bank. Teacher Key included. Also, a C.E.R. has been constructed where students will formalize what they have learned using claim, evidence and reasoning.
Students need to construct scientific explanations to understand the world around us. Claim, Evidence, and Reasoning is one way students can investigate scientific concepts and write about a question that is being posed. A CLAIM expresses an answer to a question, EVIDENCE is data which supports the claim, and REASONING provides a justification that links the data to the claim.
NGSS: Science and Engineering Practices: Engaging in Argument from Evidence
Engaging in argument from evidence in 6–8
builds on K–5 experiences and progresses
to constructing a convincing argument that
supports or refutes claims for either
explanations or solutions about the natural
and designed world(s).
Use an oral and written argument
supported by evidence to support or
refute an explanation or a model for a
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