ENV100Y5 Lecture Notes - Lecture 5: Refraction, Extrusive Rock, Ultraviolet

• School: UTM
• Department: Environment
• Course: ENV100Y5
• Professor: Barbara Murck

Document Summary

Lecture 5: matter and energy: earth as a planet. Focus on basic concepts, processes, relationships, and orders of magnitude, instead of memorizing details. Age of sun and solar system = 4. 57 ga. Based on models of stellar evolution and dating of primitive solar system objects. Based on ages of terrestrial rocks + age of solar system + models of solar system formation oldest rock on earth nuclear fusion. 4. 5 ga ago, earth was hostile to life. Session 7, geological systems and plate tectonics (i) The rock cycle: igneous (fire/ rocks has been melted, metamorphic (more form or shape) (change of shape and form, sedimentary (into pieces either in water or air)