CER: Claim, Evidence & Reasoning | Full Lesson

Teach Claim–Evidence–Reasoning (CER) in Grades 7–12 with this self-contained bean-seed investigation lesson. Students identify a claim, select measured evidence, and write reasoning that connects data to the claim.

What is included

• Editable PowerPoint slide deck (12 slides) plus matching PDF
• Teacher guide with pacing, discussion prompts, and exit-ticket rubric
• Standard worksheet
• Slide-based worksheet
• Visual notes for the online lesson
• Visual notes for the slide deck
• Exit ticket (prints 2-up)
• Complete answer keys for all five student materials
• Terms of use

Classroom use

Run the editable deck first, then choose the worksheet or visual-notes format that matches your instruction. The exit ticket checks whether students can build a CER on brand-new data. The pack is ready for offline teaching and works well for grades 7–12 science, including biology, environmental science, and scientific-practices units. Single-teacher license. © Osmia LLC.

Related TES resources

• CER: Claim, Evidence & Reasoning | Direct Instruction
• CER Practice Worksheet | Everyday Science + Answer Key