1. Welcome to Earth Science 105 Instructor: Jeremiah OxfordInstructor: Jeremiah Oxford Email: oxfordj@wou.eduEmail: oxfordj@wou.edu Office: NS 212Office: NS 212 Office Hours: T 10-11, W 2-3, R 10-11, F 3-4Office Hours: T 10-11, W 2-3, R 10-11, F 3-4 Course Website: www.wou.edu/~oxfordjCourse Website: www.wou.edu/~oxfordj

2. Science: –The collective efforts and findings of humans about nature and its rules. –Process of gathering and organizing knowledge about nature and condensing it into testable laws and theories.

3. Earth Science includes four sciences:Earth Science includes four sciences: –Astronomy: Study of the Universe – Earth is related to all other objects in space.

4. Earth Science includes four sciences: –Oceanography: Application of all sciences in a comprehensive and interrelated study of the oceans. –Meteorology: Study of the atmosphere and the processes that produce weather and climate.

5. Earth Science includes four sciences:Earth Science includes four sciences: –Geology: Study of the Earth Physical Geology: Earth Materials, surface and internal processes.Physical Geology: Earth Materials, surface and internal processes. Historical Geology: Origins of the Earth and its evolution.Historical Geology: Origins of the Earth and its evolution.

23. Earth’s Systems Earth System Science – aims to study the Earth as a system composed of numerous and interacting parts. System – defined as any size group of interacting parts that form a complex whole.System – defined as any size group of interacting parts that form a complex whole.

24. Energy from the Sun drives Earth’s external processes Earth’s internal heat drives processes beneath the surface.

25. Energy in Earth’s Systems Objects in MotionAtomic NucleiChemical Bonds Surface Processes: Streams, Mass Wasting or Landslides Radioactive Decay, Earth’s Internal Heat Sedimentary Rocks, Chemical Weathering HydroelectricityNuclear PowerFossil Fuels Geological Processes Energy Resources