Description
This Halloween CER activity turns the chaos of Halloween week into real science thinking. Costumes, class parties, and a sugar rush that starts at the bus loop? If your students are going to be bouncing off the walls anyway, they might as well be thinking like scientists while they do it.
The Case of the Missing Candy Corn is a low-prep CER mystery that teaches claim, evidence, and reasoning one job at a time. Instead of asking students to do all three at once (and watching them drown), each part gets its own time and its own focus.
How This Halloween CER Activity Works
Job 1, Claim (5 minutes): Students decide who or what took the candy corn. No proving yet. Let them be dramatic about it. They will be.
Job 2, Evidence (10 minutes): Students pick the evidence card that backs them up and write what they observed, not what they think.
Job 3, Reasoning (10 minutes): Students explain how their evidence proves their claim using the frame “This shows ___ because ___.”
Because every student solves the same mystery, you can compare claims as a class. When two students look at the same sticky handprint and pick two different suspects, that isn’t wrong. That’s real science thinking, and it’s the conversation that makes reasoning click.
Built for inclusion:
Every student deserves a seat at the table. This resource includes picture evidence cards for students who need visuals, partner role cards (Detective and Evidence Collector), and a supported recording sheet with the claim already filled in, so no one gets stuck on step one.
What’s included:
Teacher overview and step-by-step directions
Inclusion supports guide
Case file story setup (print or project)
3 evidence cards (text version)
3 evidence cards (picture version)
Partner role cards
Student CER recording sheet
Supported recording sheet with pre-filled claim
Class claim chart
Sample student responses
Great for: This Halloween CER activity works for Grades 3–5, science centers, small groups, special education and inclusion classrooms, Halloween class parties, and CER practice any time of year. Also a great fit for upper-grade special education and intervention groups who are still building CER skills.
Format: PDF, US Letter (8.5 x 11 in), ___ pages. Single-classroom license.
Planning your whole Halloween week? Check out 5 Halloween Literacy Activities That Actually Keep Kids Engaged and the rest of my Halloween resources.
Link the first part to htpps://misswarrensclass.com/halloween-literacy-activities-centers
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