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Lect+2-A+Fall+2011

# Lect+2-A+Fall+2011 - Reminder at11:59pm Niihka...

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8/23/2011 1 Reminder! The “Syllabus Quiz” is due tonight at 11:59 pm Niihka Æ Tests & Quizzes Make sure you’re in Niihka and that you d h h h ll b read through the syllabus 5 points (towards participation) 1 Results of Survey Aug. 24/2011 Survey Question 1 What is the boiling temperature of water? In Celsius? In Fahrenheit? 3 Question 1 Results Boiling Temperature of Water 30 35 40 45 ts 14 out of 81 or 17% of the class got both o C and o F correct 0 5 10 15 20 25 Both Correct Celsius Correct Fahrenheit Correct Both Wrong # of Student

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8/23/2011 2 Survey Question 2 What is the freezing temperature of water? In Celsius? In Fahrenheit? 5 Question 2 Results Freezing Temperature of Water 40 50 60 nts 48 out of 81 or 59% of the class got both o C and o F correct! 0 10 20 30 Both Correct Celsius Correct Fahrenheit Correct Both Wrong # of Studen Comparison of Q1 and Q2 17% got both correct for the boiling point (left) 59% got both correct for the freezing point (right) 45 60 7 We did much better on Question 2! 0 5 10 15 20 25 30 35 40 Both Correct Celsius Correct Fahrenheit Correct Both Wrong # of Students 0 10 20 30 40 50 Both Correct Celsius Correct Fahrenheit Correct Both Wrong # of Students What can we say about the results? Would the results be different if they were multiple choice questions? Why do we remember freezing point better than the boiling point? Does where we’re from influence what we remember? 8
8/23/2011 3 What is Science? “Science” comes from the Latin word for knowledge Accumulation of knowledge based on observations and tests of assumptions NOT just a collection of unalterable facts Purpose of CHM 111: to learn chemistry in the context of a particular issue; develop

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