Rocks & Minerals
Reading Mystery Worksheets · Grades 3–6 · Earth Science
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Inside the case file
Igneous, sedimentary, metamorphic — every rock has a backstory, and this case is buried in it. This printable Rocks & Minerals Reading Mystery turns a nonfiction passage about Earth's rocks into a reading-detective case for Grades 3–6, dropping straight into an Earth science, geology, or rocks unit.
Every comprehension answer clears another suspect, so students have to read closely and think hard to name the culprit — print it and go, no apps or setup.
Quick Details
Grade Levels: Grades 3–6
Format: Printable PDF
Resource Type: Reading Mystery worksheets
Reading Skills: Nonfiction comprehension, text evidence, main idea, compare and contrast, and inference
Tech Needed: None — no apps, locks, passwords, or student logins required
The Case
A valuable specimen has gone missing from the collection, and a line-up of suspects is waiting. The only way to crack the case is to read closely about rocks and minerals — the three types of rock, the rock cycle, and how minerals are identified — using every comprehension answer as a clue to rule a suspect out, until just one remains.
How the Reading Mystery Works
Students work as Reading Detectives, mining the passage on rocks and minerals for evidence and crossing off a suspect with each correct answer until one is left. The text is the only way through — there's no guessing.
What's Included
- A "You are a detective" case-file page that sets the scene and the mission
- An engaging nonfiction passage on rocks and minerals (igneous, sedimentary, and metamorphic rocks, the rock cycle, and mineral properties)
- Multiple-choice comprehension questions (all answers found in the text)
- Open-ended comprehension questions
- A suspect line-up page for eliminating suspects one clue at a time
- Vocabulary support and extension activities for early finishers
- A full answer key
- Color and black-and-white versions
- Print-and-go PDF format
Skills Covered
- Reading and understanding nonfiction science text
- Finding and using text evidence
- Identifying main idea and supporting details
- Compare and contrast and drawing inferences
- Science vocabulary in context
- Logic, reasoning, and critical thinking
Best Used For
- Earth science, geology, and rocks units
- Nonfiction and science reading comprehension
- Reading and science centers, early finishers, and sub plans
- Small groups and intervention
- Homeschool reading and science
