1. Igneous Rocks Student Presentation and Report

2. Choose a Rock (8 groups, 8 rocks) List of common Igneous Rocks Identified in the Lab: 1. Basalt 2. Granite 3. Pumice 4. Obsidian 5. Scoria 6. Rhyolite 7. Gabbro 8. Diorite

3. Presentation Requirements Name of Rock with pictures (1 point) Intrusive or Extrusive? How did you know? What 2 things does this tell us about its formation? (cooling rate, source) (4 points) Mafic or Felsic? How did you know? What does color tell us? (3 points) What is one interesting fact about your rock? (1 points) – you must check with me before presentation Student Names (1 point)

4. Paragraph Requirement Opening and Closing (1 point) Intrusive or Extrusive? How did you know? What 2 things does this tell us about its formation? (cooling rate, source) (4 points) Mafic or Felsic? How did you know? What does color tell us? (3 points) What is one interesting fact about your rock? (1 points) Student Names and name of rock (1 point)

5. Take the Google Form Quiz Everyone is accountable for understanding this information Topics: 1. Igneous rock definition 2. Intrusive or Extrusive 3. Mafic or Felsic 4. Cooling Rates 5. Mineral Grain definition 6. Igneous Rock Examples (Granite vs. Basalt) 7. Plutonic and Volcanic Features (differences, definitions, examples) 8. Igneous Rock Identification 9. Connections to mineral and chemistry unit 10. Connections to the earth-moon-sun system unit