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Unit ½ Introduction Stuff you should know Stuff you will need to figure out DO NOW: First thing you should do when you enter the classroom This will be a daily quiz to test your “practicing at night” IN CLASS: Reading – Activity – Lab – problems sets etc. scheduled for class time PRACTICE: YOU are responsible for writing this down No “PHOTO’s” or expecting someone else - YOU

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(homework) * 30 -45 min of PRACTICE each night (homework) * In-Class: Calculators ONLY NO CELL PHONES * You will not be allowed a phone in the test practice begins now. If you use it you will lose it * LAPTOPS: Only opened when teacher says OK go play on website… If you use it you will lose it * Initial Unit Plans will be on WIKI * However updates or changes to assignments made in class may NOT be updated daily * Know the SYLLABUS – Time Line * Know your WEB PAGES

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PRIMARY sites used in class and for Practice PRIMARY sites used in class and for Practice http://www.learnapphysics.com/apphysicsc/index.html http://hyperphysics.phy-astr.gsu.edu/hbase/hph.html http://dev.physicslab.org/Default.aspx Other sites to explore / utilize Other sites to explore / utilize http://www.free-test-online.com/ap-physics-c-problems http://www.animations.physics.unsw.edu.au/mechanics/index.html PDF Lessons PDF Lessons http://www.physnet.org/modules/pdf_modules.html

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* I don't suppose you happen to know Why the sky is blue? It's because the snow Takes out the white. That leaves it clean For the trees and grass to take out the green. Then pears and bananas start to mellow, And bit by bit they take out the yellow. The sunsets, of course, take out the red And pour it into the ocean bed Or behind the mountains in the west. You take all that out and the rest Couldn't be anything else but blue. Look for yourself. You can see it's true * John Ciardi

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Metrics and Dimensional Analysis Objectives: Learn and be able to recognize and utilize three of the fundamental S.I. Units: Kg – m – sec Be able to utilize Dimensional Analysis to verify SI Units in your calculations Be able to do Unit Conversion Weekly Assigned Homework Glencoe Pages 5 – 19 #’s 1 – 27 odd Page 25 -26 #’s 47, 54, 59, 67, 70, 78, 79, 83, 85, 86

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Metric System

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All units are multiples of ten {page 6 in Glencoe} Consist of base unit and prefix

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SI units Internationally agreed upon units {page 6 in Glencoe} All scientists use these to measures

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Dimensional Analysis Simple unit conversions; the idea of dimensional analysis Convert 2 feet to inches We need a conversion factor, a relationship between the units

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Dimensional Analysis These both give us a relationship between in. and ft. We use D.A. to cancel units

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Dimensional Analysis The units cancel out leaving only Giving us an answer of 24 in.

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Dimensional Analysis Convert 48 inches to feet.

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Dimensional Analysis Convert 5 days to hours.

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Dimensional Analysis How many seconds are there in 4 minutes?

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Dimensional Analysis Convert 27.2 cm to meters.

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Dimensional Analysis Sometimes our conversion requires more than 1 step. Convert 1 Ms to hr.

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Dimensional Analysis Convert 147 cm/s to m/s

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Dimensional Analysis Convert 60 miles/hour to feet/second

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OUTCOMES/OBJECTIVES: Things you will be able to do. Correctly place values in scientific notation Identify the base units in the SI system. QUIZ Convert.

OUTCOMES/OBJECTIVES: Things you will be able to do. Correctly place values in scientific notation Identify the base units in the SI system. QUIZ Convert.

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