CER Practice Worksheets | Claim Evidence Reasoning | Middle School

Help middle school students master Claim-Evidence-Reasoning with these clear, no-prep CER Practice Worksheets for Science.

This printable resource gives students structured practice writing strong scientific explanations using the CER framework — perfect for labs, data analysis, and science writing.

🔬 What’s Included:

✅ Student-friendly CER explanation page

✅ Sentence starters and word bank

✅ Guided (scaffolded) CER practice

✅ 12 independent CER science scenarios

✅ Data-to-CER pages

✅ Peer review and self-check pages

✅ Teacher + Student CER rubrics

✅ Answer keys / sample responses

✅ Blank CER templates

✅ Progress tracking sheet

✅ Clear teacher notes

Skills Practiced:

• Writing a clear scientific claim

• Selecting relevant evidence

• Explaining reasoning with scientific thinking

• Using data and observations

• Peer feedback and revision

Perfect for:

• Middle School Science (Grades 6–8)

• Lab conclusions

• Science notebooks

• Intervention and support

• Test preparation

Just print and use. No prep required.

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Created by Habiltoria Academy