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Rock Identification Lab: Types of Rocks Review

This interactive lab allows you to identify rocks using dichotomous keys. Start with number one every time and go through the questions until you reach the correct answer. Struggling? Learn about intrusive, extrusive, foliated, and non-foliated rocks. Test your knowledge with Biotite Granite, Nephelite Syenite, Hornblende Gabbro, Basalt, Obsidian, Scoria, and Mica Schist. RERUN your lab experience by recalling, summarizing, explaining the purpose, discussing results, uncertainties, and new learnings.

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Rock Identification Lab: Types of Rocks Review

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  1. Rock ID Lab Ms. Steele

  2. Brain POP • What are the three types of rocks? • Let’s review! • http://www.brainpop.com/science/earthsystem/typesofrocks/

  3. Allows people to determine the identify of items • They consist of a series of choices that lead us to the correct name • Dichotomous means “divided into 2 parts” so you will always have two steps • Always start with number one EVERY TIME • Go through all of the questions until you reach the correct description and answer

  4. Results • What did you struggle with? • Which rocks were difficult to identify? • What is an intrusive rock? • What is an extrusive rock? • What is foliated? • What is non-foliated?

  5. Biotite Granite • Large black crystal formations • Light in color

  6. NepheliteSyenite • Small flecks • Shimmery • Light in color

  7. Hornblende Gabbro • Grainy • No dominant crystals • Dark in color

  8. Basalt • Gray in color • Dull gray with a slight curve to one edge

  9. Obsidian • Black volcanic glass

  10. Scoria • Deep red to brown and porous

  11. Mica Schist • Metamorphic rock • Tan gray and black

  12. RERUN • Recall-Summarize what you did in lab • Explain-Explain the purpose of the lab • Results-Describe the results of the lab and what they mean • Uncertainties-Describe what you are still unsure about • New-Write at least 2 new things you have learned from this lab

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