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Classifying Sedimentary, Igneous, and Metamorphic Rocks (Developed by SEPUP)

kit #403S

Why study rocks? This kit helps you answer this question while providing rock samples for study. A fictional scenario describes the alleged discovery of diamonds in a national forest by a pair of hikers. Students learn that certain natural resources are often found in association with certain rocks. A reading on the formation of igneous, sedimentary, and metamorphic rocks supplements student observations as they examine, describe, and group rock samples. Students use this knowledge to identify the hikers' rock and decide whether the hikers were likely to have seen diamonds.
Step-by-step student worksheets guide students to work in pairs. The rock samples provided in this kit are 1" x 2" x 1" or larger [except hiker's rocks] and clearly show characteristic features of sedimentary, igneous and metamorphic rocks. This kit is complete for 32 students and is reusable.


  • Introduce and explain rock formation
  • Describe and identify different rock types
  • Use data to identify an unknown rock type
  • Apply earth science to a real-world scenario

Content List in Classifying Sedimentary, Igneous, and Metamorphic Rocks (Developed by SEPUP) is as follows:

Quantity Description
1 Teacher’s Guide
32 Student Worksheets and Guides
16 Magnifying lenses
2 Gabbro (igneous rock) (purple)
2 Coal (sedimentary rock) (yellow)
8 Garnet schist (metamorphic rock) (green)
2 Gneiss (metamorphic rock) (red)
2 Limestone (sedimentary rock) (blue)
2 Obsidian (igneous rock) (white)
2 Phyllite (metamorphic rock) (brown)
2 Sandstone (sedimentary rock) (black)
2 Granite (igneous rock) (light blue)
Recommended number of students
maximum 32 per class
Number of groups
8 groups per class
Number of classes
unlimited (no consumable materials)

To complete this kit requires one to two ~50-minute class periods.

Title Item # Price Quantity
Classifying Sedimentary, Igneous, and Metamorphic Rocks 403S $154.45