EARTHSC 1G03 Lecture 2: 1GO3 lecture 2 Earth's Beginnings F13.pdf
Document Summary
The end of all our exploring will be to arrive where we started and know the place for the rst time. Students who haven"t completed the air quiz will receive a zero on lab 1. A systematic approach to problem solving through systematic observation and experimentation, A potential solution to a problem is called hypothesis or conceptual model", Step 2 collection of facts challenge or support assumptions. Step 3 if inconsistency, need new idea ( hypothesis") Step 6 keep checking facts against all the possible hypotheses! Multiple working hypothesis approach develops and evaluates several possible explanations simultaneously. In 1650, bishop ussher claimed the earth was created in 4004 b. c. The of cial view before about 1750 was that all sedimentary rocks were laid down in noah"s ood. All other surface features were due to intermittent catastrophes (catastrophism). Uniformitarianism - the present is the key to the past .