ISU PHY 102 - Exam 1 Study Guide (5 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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Pages:
5
Type:
Study Guide
School:
Illinois State University
Course:
Phy 102 - Atoms to Galaxies
Edition:
1

Unformatted text preview:

PHY 102 Exam 1 Study Guide Lectures 1 8 Lecture 1 August 19 Basis of Scientific Knowledge v Faith What are Aristotle s proofs for disputing the knowledge that the earth was spinning We should feel the motion of the earth we should feel the winds moving we should see the oceans cast off from the motions and we should see projectiles left behind According to Prof Wenning what is the difference between knowledge and faith Faith is belief without observation and knowledge is belief with observation Both can hold correct beliefs but knowledge has an observable basis Truth is something that scientists cannot attain but strive to know What are some fallacies in human reasoning Personal experience artificial evidence natural inference definition universal consent perfect credibility credible authority observational science experimental science know that DATA CANNOT PROVE A HYPOTHESIS Lecture 2 August 21 Celestial Motions What are some patterns in the sun s movement during the day The sun moves from east to west across the sky on a daily cycle It is only due east and due west two days out of the year called equinoxes This motion can either prove that the sun moves around the earth on a daily basis or that the earth rotates What are some patterns in the moon s movement across the sky The moon also moves from east to west across the sky on a daily cycle The moon s motion also varies in a cycle of about 28 days where the word month originates from The moon was always known to revolve around the earth this was never disputed Lecture 3 August 26 Why does the sun change position in the sky The sun moves from west to east among the stars 1 degree eastward every day because of its relative position to the earth There are a few different explanations for this motion that were proposed such as the heavenly bodies moving at different speeds around the earth The ecliptic s motion on the horizon mimics the sun s motion on the horizon Seasonal Changes Summer north polar axis points toward



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