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Investigation Question 2:
How can you tell rocks apart?

Preparation

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What to do

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Assessment

Preparation

Teaching and Learning Focus

In this investigation, students will explore how to use the physical characteristics of rocks to group and identify the rocks.

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Materials Needed

For each student group:

    • rock samples with stick-on numbers from 1 - 6 (at least two sedimentary, igneous and metamorphic rocks; see the Digging Deeper section at the end of the investigation for specific examples)
    • magnifiers for each student or pair of students
    • pencils to record observations
    • Rock Data Table (handout)
    • Rock Identification Sheet (handout)

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Safety

This investigation is considered generally safe to do with students. Please also review the investigation for your specific setting, materials, students, and conventional safety precautions.

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National Standards

Fossils

Soil

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At Utah's Vermillion Cliffs a siltstone butte of the Carmel Formation erodes and forms unusual shapes. © Michael Collier Image courtesy of the Earth Science World Image Bank, photo ID: ixvt1a

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Last updated: November 16, 2009


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