TAMU GEOL 101 - Geology 101 Class- Day 1 (4 pages)

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Geology 101 Class- Day 1



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Geology 101 Class- Day 1

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Lecture Notes Day 1


Pages:
4
School:
Texas A&M University
Course:
Geol 101 - Principles Of Geology

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Geology 101 539 Class 1 Test 1 Tuesday September 2 14 Geology 101 In A Nutshell 24 Lectures 11 Lab Practices 4 Lecture exams including final Course Outline look on syllabus Midterm 1 Chapters 1 6 September 30 2014 Midterm 2 Chapters 7 11 October 15 2014 Midterm 3 Chapters 12 17 November 6 2014 Book is very important Know concepts and details Look at chapter summaries and details and chapter terms and concepts First 3 exams are about 20 30 questions Final is about twice as many questions Final repeats questions from previous exams Chapter 1 The Earth System What are the main features of Earth s surface Blue Color Various depth below sea level Green Red Various elevation above sea level Oceans are smooth usually unless the have underlying elevation If there are mountains under the water or other different elevations it is a rougher surface Earth s topography is measured with respect to sea level There is about 20 km between the highest point on earth Mt Everest to the lowest point on earth Marianas Trench Geologists Study Earth s Natural Wonders Hot Springs Yellowstone National Park Himalayas Range Top of Mt Everest you will find fossils in the rocks from it once being covered underwater Nile River Egypt Pahoeoe Lavas Hawaii The Scientific Method Physical events have rational explanations Good theories are simple and make predictions Theories not consistent with observations need to be modified The Scientific Method Process Flow Diagram Observations and Experiments Hypothesis Supported o No Revise and form other hypothesis o Yes move on to theory Theory Supported o No revise and start back at theory o Yes move on to the scientific model Scientific Model Example of an Early Scientific Achievement Eratosthenes in 250 B C determined Earth s size circumference 40 000 km He heard that Alexandria cast a shadow at a certain degree 70 degrees He didn t agree that the earth was flat He studied shadows and said that if the earth is flat then the shadow would be the same



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