At the end of this unit students should:
 

• Know the difference between lava and magma and the resultant rock types
• Know the differences between extrusive and intrusive igneous rock
• Know the textural terms for igneous rocks
  • Phaneritic
  • Aphanitic
  • Glassy
  • Porphyritic
• Know the chemical composition terms for igneous rocks
  • Sialic
  • Intermediate
  • Mafic
  • Ultramafic
• Be able to classify igneous rocks based on texture and composition