
Chapter 2:
Data Analysis
Section 2.1 Units of Measure1. Define SI base units for time, length, mass, and temperature. 2. Explain how adding a prefix changes a unit. 3. Compare the derived units for volume and density.
Section 2.2 Scientific Notation and Dimensional Analysis 1. Express numbers in scientific notation. 2. Use dimensional analysis to convert different units of measure.
Section 2.3 How reliable are measurements? 1. Define and compare accuracy and precision. 2. Use significant figures and rounding to reflect the certainty of data. 3. Use percent error to describe the accuracy of experimental data.
Section 2.1 Units of Measurement
 8/17/2017 Finding HW on my website
 8/17/2017 Video Link :
Tyler DeWitt on unit cancellation basics. Take notes for background
 8/18/2017 Practice Problems from whiteboard
Given Find Equality
25 in ? feet (12 in = 1 ft)
68 m ? cm (100 cm = 1 m)
5.5 qts ? gallons (4 quarts = 1 gal)
92 mL ? L (1000 mL = 1 L
 8/21/2017 4 problems given in today's whiteboard file can also be found by clicking this link. This is the page in the whiteboard file that has tonight's homework problems, along with you completed examples showing how I want you to do them. These problems are just like the problems we've been doing so far.
 8/23/2017 Read pages 25  30 and answer questions 15 on p. 2930
 8/24/2017 Today's Handouts
Sig Figs the Easy Way  printer icon
Converting Unit of measure  PDF icon
 9/8/2017 Complete your lab writeup. Follow my RUBRIC for all 3 days of the Density Lab. Link for the final version of the Density Lab RUBRIC is at this link.


Section 2.2 Scientific Notation and Dimensional Analysis
 8/17/2017 Unit Cancellation Basics
 8/31/2017 Video of Today's DO NOW. One multiply problem and one division problem.
 9/8/2017 Complete your lab writeup. Follow my RUBRIC for all 3 days of the Density Lab. Link for the final version of the Density Lab RUBRIC is at this link.


Section 2.3 How reliable are measurements?
 8/28/2017 12 min vid explaining tonights HW writing numbers with units of measure in scientific notation
 9/11/2017 p39 31(a,b,c,d) & 32(a,b,c,d) and p41 33(a,b,c,d) & 34 (a,b,c,d)


Section 2.4 Representing Data


Section 2.1 Units of Measurement
 8/23/2017 Chromebooks to use this link in class for Density Simulation
 8/23/2017 Today we worked on Chromebooks doing this PhET simulation. This activity can be done at home if you have a computer with Flash installed.

Section 2.2 Scientific Notation and Dimensional Analysis

Section 2.3 How reliable are measurements?

Section 2.4 Representing Data


Section 2.1 Units of Measurement
Standard 4 e  Gases and their Properties
View Standard 4 State Standard: How to convert between Celsius and Kelvin temperature scales.
Students Will be able to:Demonstrate a knowledge of the Kelvin scale and compare it to the Celsius scale. Book Reference Pages: 2530
Standard 6 D  Solutions
View Standard 6 State Standard: How to calculate the concentration of a solute in terms of grams per liter, molarity, parts per million and percent composition.
Students Will be able to:Prepare solutions to demonstrate their knowledge of the different units of concentration. I&E (12A): Select and use appropriate tools and technology (such as computerlinked probes, spreadsheets and graphing calculators) to perform tests, collect data, analyze relationships, and display data. Book Reference Pages:
Standard 6 E  Solutions
View Standard 6 State Standard: The relationship between the molarity of solute in a solution, and the solution's depressed freezing point or elevated boiling point.
Students Will be able to:Book Reference Pages:


Section 2.2 Scientific Notation and Dimensional Analysis
Standard 4 E  Gases and their Properties
View Standard 4 State Standard: How to convert between Celsius and Kelvin temperature scales.
Students Will be able to:Demonstrate a knowledge of the Kelvin scale and compare it to the Celsius scale. Book Reference Pages: 3135
Standard 6 D  Solutions
View Standard 6 State Standard: How to calculate the concentration of a solute in terms of grams per liter, molarity, parts per million and percent composition.
Students Will be able to:Prepare solutions to demonstrate their knowledge of the different units of concentration. I&E (12A): Select and use appropriate tools and technology (such as computerlinked probes, spreadsheets and graphing calculators) to perform tests, collect data, analyze relationships, and display data. Book Reference Pages:
Standard 6 E  Solutions
View Standard 6 State Standard: The relationship between the molarity of solute in a solution, and the solution's depressed freezing point or elevated boiling point.
Students Will be able to:Book Reference Pages:
Standard 99 A  Miscellaneous
View Standard 99 State Standard: Miscellaneous
Students Will be able to:In the notebook you use every day in class, file pages here that:
a) don't fit a particular standard
b) fit in more than one standard
c) will be we used frequently during the year Book Reference Pages:


Section 2.3 How reliable are measurements?
Standard 4 E  Gases and their Properties
View Standard 4 State Standard: How to convert between Celsius and Kelvin temperature scales.
Students Will be able to:Demonstrate a knowledge of the Kelvin scale and compare it to the Celsius scale. Book Reference Pages: 3742
Standard 6 D  Solutions
View Standard 6 State Standard: How to calculate the concentration of a solute in terms of grams per liter, molarity, parts per million and percent composition.
Students Will be able to:Prepare solutions to demonstrate their knowledge of the different units of concentration. I&E (12A): Select and use appropriate tools and technology (such as computerlinked probes, spreadsheets and graphing calculators) to perform tests, collect data, analyze relationships, and display data. Book Reference Pages:
Standard 6 E  Solutions
View Standard 6 State Standard: The relationship between the molarity of solute in a solution, and the solution's depressed freezing point or elevated boiling point.
Students Will be able to:Book Reference Pages:
Standard 12 b  Investigation and Experimentation
View Standard 12 State Standard: Identify and communicate sources of unavoidable experimental error.
Students Will be able to:Book Reference Pages: 38, 39
Standard 99 A  Miscellaneous
View Standard 99 State Standard: Miscellaneous
Students Will be able to:In the notebook you use every day in class, file pages here that:
a) don't fit a particular standard
b) fit in more than one standard
c) will be we used frequently during the year Book Reference Pages:


Section 2.4 Representing Data
Standard 12 a  Investigation and Experimentation
View Standard 12 State Standard: Select and use appropriate tools and technology (such as computerlinked probes, spreadsheets and graphing calculators) to perform tests, collect data, abaktze relationships, and display data.
Students Will be able to:Book Reference Pages: 4345



Conversion
● Mathematics in Chemistry Visit Site
● Using Your Calculator Visit Site
● Converting units of measure  the "1" concept Visit Site
UNIT CANCELLATION tutorial. Excellent for beginners to dimensional analysis (unit calcellation). This is interactive and explains as you go step by step. EXCELLENT Visit Site

Density
● Density  Simple and Interactive Tutorial Visit Site
● Density Problems  with Answers, interactive word problems(CSUDH)  Excellent Visit Site
● Density problems interactive with answers,gives one question after another, but just one at a time, variables change(CSUDH)  Excellent Visit Site

General
● Triple Beam Balance, interactive reading mass Visit Site
● Free conversion calculator to convert anything to anything Visit Site
List of helpful sites Visit Site

SI Base Units
● SI Units  Explained with very comlete definitions, background of derivation, and more (NIST). Visit Site

Significant Figures
● Significan Figure practice, interactive, gives one question after another, but just one at a time. (CSUDH) Visit Site
● Multiplication and division of sig figs is professionally demonstrated here (Video Chem Textbook) Visit Site
● Addition and subtraction of sig figs professionally demonstrated (Video Chem Textbook) Visit Site

Wigger Vids
● SI Base Units Explained (PART 1)  follows my tutorial by the same name, and covers the chart at the top of the page. Visit Site
● SI Base Units Explained (PART 2)  follows my tutorial by the same name, and covers the bottom of the tutorial. SI Base Units are explained in more depth, and Derived Units are explained. Visit Site
● Watch this Video  it was recorded during 6th period today 9/3/10. It will help you will SCIENTIFIC NOTATION and WORKING WITH POWERS OF 10. My apologies on not making the video take up the full screen. OOPS! Visit Site
● Here is your video on Density Problems  Calculations with Grids  1. This goes through 3 problems showing you all the steps and how to show your work. Visit Site
● 4Beam Balance Scale>  This video demonstrates how to read a 4beam Balance Scale Visit Site
● Add, subtract, multiply, divide powers of 10 Visit Site



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