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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
- 8/30/2010 P. 29 (On-Line Textbook) Read Ch 2.1 p. 25-29, then do PP's 1-3. Copy questions and show your calculations using fractions or grids.
Here are the User Name, Password and Link to get the On Line Textbook:
User Name: cmc2007
Password: W20uYiup (0 in the password is zero, not the letter “o”)
- 8/30/2010 Print Density Problem - Calculation with Grids - Assignment 1, for tomorrow's lesson. Do not work the problems on this sheet tonight.
- 8/31/2010 Density & Units of Measure, Ch 2.1 Assess, p. 30 4-6,8,9
- 8/31/2010 DO NOT PRINT - this was printed yesterday for HW
Density Calculations with Grids - Assignment 1 - work all problems as explained.
- 9/1/2010 DO NOT PRINT Print "Converting units of measure - prefixes", UNLESS you missed class today. Valuable resource for understanding prefixes HANDOUT TODAY
- 9/2/2010 Print Density Problem Calculations w Grids - Assignment 2, AND work all problems AND show given, find, and calculations using grids. Note that Assignment 1 uses the same elements and their densities.
- 9/7/2010 Print Density Lab for next Thursday's Lab
- 9/7/2010 Print Density Lab Pre-Quiz AND ANSWER ALL QUESTIONS. You will find all of the answers in the lab directions that you are printing for Thursday 9/9.
- 9/14/2010 Print Quiz 1.1 Practice Quiz at Learning Center > Quiz/Test Review . The icon is a computer icon. Work all of the problems on your printed paper and show all calculations required to find answers.
- 9/14/2010 Make a Help Sheet for Quiz 1.1 (Ch 2.1, 2.2, and 2.3). You may have 1/2 page, one side only. This is basically to record things you cannot remember or are not sure you will be able to do during a quiz.
- 9/14/2010 Go to Prentice Hall's Website by going to Learning Center > Quiz/Test Review in my website and clicking on the globe icon. Use these practice quizzes for Ch 2.1, 2.2 and 2.3 to hlep you study for this quiz.
- 9/14/2010 Go to Prentice Hall's Website by going to Learning Center > Quiz/Test Review in my website and clicking on the globe icon. Use these practice quizzes for Ch 2.1, 2.2 and 2.3 to hlep you study for this quiz.
- 9/14/2010 Another great way to study for this quiz is to go to Appendix A, p. 871 and make sure you know how to do each of the problems in Ch 2.1, 2.2, and 2.3. I will put the answers to these questions on-line for you with a link right here
- 9/15/2010 Print Density Practice - Fill-in Chart - After finding the element name (or symbol), fill in the density from Table C at end of book, rewrite the density as an equality as you did before. Then calculate either grams or mL and enter in the chart. You must show your work in the form of grids!
- 9/2/2010 For students that desire to get an A or a B on the next quiz, go to " Learning Center" > Quiz/Test Reviews" and see what is available for you to study for Quiz 1.2 (Ch 2 & 3)
- 9/29/2010 For students that desire to get an A or a B on the next quiz, go to " Learning Center" > Quiz/Test Reviews" and see what is available for you to study for Quiz 1.2 (Ch 2 & 3)
- 9/29/2010 Go to this link and hand copy the following questions at the end of this document: 15-21 (you will see 15-28 next to the 2nd link in section C. You only need to do the first 7 questions); 29-35 (odds only, must show grid calculations); and 50-64 (on the documen found at the 4th link in this section).
- 9/28/2010 For students that desire to get an A or a B on the next quiz, go to " Learning Center" > Quiz/Test Reviews" and see what is available for you to study for Quiz 1.2 (Ch 2 & 3)
- 10/4/2010 Density Problems from Zumdahl - p. 54 problems 91, 93, 94, 97, 98, 99 (b & d only), 100, 103 and 105
DIRECTIONS: Do only the circled problems . To get credit you will need to show any and all equalities that you will be using for conversions. Copy questions by listing "given" & "find" (see answer sheet). Show grids (boxes, not just fractions) for problems 97-100, and 105.
This assignment was worked on in class today. You are to complete it at home over the weekend. You have links for the problem set, the sheet we used for conversions of prefixes (BIGGER), tables with conversion factors for base units, and complete solutions for some of the problems that require grids.
- 9/3/2010 This homework is just like what we did in class today. Copy the problems. For calculation problems, showing GIVEN and FIND rerplaces copying the problem. For calculations show your work using grids.
p. 29 3; p. 30 6; p. 32-34 14 d,g; 15 d; 16 c; 18 d
- 8/30/2010 Here is a great link to help you understand SI base units, and Derived units.
- 9/7/2010 HANDOUT in class today. The following link will take you to a VIRTUAL ON-LINE DENSITY LAB as well as the handout given in class today that you will need to complete the lab.
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Section 2.2 Scientific Notation and Dimensional Analysis
- 8/30/2010 DO NOT Print Tutorial - Unit Cancellation Conversion Grid - to chg units of measure. This paper was a handout given to you in class today. If you were not with us the first day, you will need to print this for yourself.
- 8/31/2010 Sci Notation & Dim. Analysis, Ch 2.2 - Read p. 31-35
Sci Notation, Ch 2.2, p. 32 PP's 12 (all) and 13 (all)
- 9/1/2010 Sci. Notation & Dim. Analysis, p. 32-34 PP's 14-18 (all)
- 9/8/2010 Ch 2.2, Sci. Notation & Dim Anal., p.35 PP's 19-21, and Ch 2.2 Assessment 22-26
- 9/14/2010 Print Quiz 1.1 Practice Quiz at Learning Center > Quiz/Test Review . The icon is a computer icon. Work all of the problems on your printed paper and show all calculations required to find answers.
- 9/14/2010 Make a Help Sheet for Quiz 1.1 (Ch 2.1, 2.2, and 2.3). You may have 1/2 page, one side only. This is basically to record things you cannot remember or are not sure you will be able to do during a quiz.
- 9/14/2010 Another great way to study for this quiz is to go to Appendix A, p. 871 and make sure you know how to do each of the problems in Ch 2.1, 2.2, and 2.3. I will put the answers to these questions on-line for you with a link right here
- 9/29/2010 For students that desire to get an A or a B on the next quiz, go to " Learning Center" > Quiz/Test Reviews" and see what is available for you to study for Quiz 1.2 (Ch 2 & 3)
- 9/29/2010 Go to this link and hand copy the following questions at the end of this document: 15-21 (you will see 15-28 next to the 2nd link in section C. You only need to do the first 7 questions); 29-35 (odds only, must show grid calculations); and 50-64 (on the documen found at the 4th link in this section).
- 9/3/2010 This homework is just like what we did in class today. Copy the problems. For calculation problems, showing GIVEN and FIND rerplaces copying the problem. For calculations show your work using grids.
p. 29 3; p. 30 6; p. 32-34 14 d,g; 15 d; 16 c; 18 d
- 9/3/2010 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
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Section 2.3 How reliable are measurements?
- 9/10/2010 Ch 2 Assess (Percent Error & Sig.Figs), p. 51 81-84 all
- 9/13/2010 Ch 2.3 (Sig. Figs), PP's p. 41-42 35-38 (all)
- 9/14/2010 Print Quiz 1.1 Practice Quiz at Learning Center > Quiz/Test Review . The icon is a computer icon. Work all of the problems on your printed paper and show all calculations required to find answers.
- 9/14/2010 Make a Help Sheet for Quiz 1.1 (Ch 2.1, 2.2, and 2.3). You may have 1/2 page, one side only. This is basically to record things you cannot remember or are not sure you will be able to do during a quiz.
- 9/14/2010 Go to Prentice Hall's Website by going to Learning Center > Quiz/Test Review in my website and clicking on the globe icon. Use these practice quizzes for Ch 2.1, 2.2 and 2.3 to hlep you study for this quiz.
- 9/14/2010 Another great way to study for this quiz is to go to Appendix A, p. 871 and make sure you know how to do each of the problems in Ch 2.1, 2.2, and 2.3. I will put the answers to these questions on-line for you with a link right here
- 9/29/2010 For students that desire to get an A or a B on the next quiz, go to " Learning Center" > Quiz/Test Reviews" and see what is available for you to study for Quiz 1.2 (Ch 2 & 3)
- 9/29/2010 Go to this link and hand copy the following questions at the end of this document: 15-21 (you will see 15-28 next to the 2nd link in section C. You only need to do the first 7 questions); 29-35 (odds only, must show grid calculations); and 50-64 (on the documen found at the 4th link in this section).
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Section 2.4 Representing Data
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Section 2.1 Units of Measurement
- 8/30/2010 Chemistry - First Day's Assignment Fall 2010. Complete as much of this assignment in class as you can.
Handout today.
- 9/3/2010 Solve problems assigned to your group and each person in the groups turns in their own papers, stapled together as a group.
- 9/9/2010 Complete all measurements in class, then finish all lab questions at home and turn in tomorrow (20 points)
- 9/17/2010 Complete this workhseet in class by filling in the chart and showing all calculations below the chart. Density Practice Fill-in Chart - 2. Due end of period.
- 9/6/2010 Density Practice - Fill-in Chart - 3 - work questions 1-6 of this worksheet in class and give to sub before you leave. If you were absent, you need to print and complete this sheet (all questions) and turn in to Mr. Wigger.
- 9/28/2010 Density Practice - Fill-in Chart - 3 - work questions 1-6 of this worksheet in class and give to sub before you leave. If you were absent, you need to print and complete this sheet (all questions) and turn in to Mr. Wigger.
- 8/30/2010 SI Base Units Explained - another handout given out in class today. I've also included 2 videos that explain this handout in detail.
Handout today.
- 8/30/2010 First Day Computer Assignment - CW
This assignment was done in class today (handout that was 1/2 of a page), using another handout given out in class today "Chemistry - First Day's Assignment Fall 2010". If you weren't here the first day, you will need to print all of the handouts yourself. This assignment was collected at the end orf the day.
Handout today.
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Section 2.2 Scientific Notation and Dimensional Analysis
- 9/3/2010 Solve problems assigned to your group and each person in the groups turns in their own papers, stapled together as a group.
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Section 2.3 How reliable are measurements?
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Section 2.4 Representing Data
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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: 25-30
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 computer-linked 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:
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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: 31-35
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 computer-linked 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:
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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: 37-42
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 computer-linked 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:
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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 computer-linked probes, spreadsheets and graphing calculators) to perform tests, collect data, abaktze relationships, and display data.
Students Will be able to:Book Reference Pages: 43-45
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- Quiz 1.1 (Ch 2.1-2.3 & Density Lab): Use my on-line practice quiz and the Glencoe practice quizzes for Ch 2.1, 2.2 and 2.3 at this link:
- Quiz 1.2 - Ch 2.1-2.3 and Ch 3.1 - 3.4: Half of this Quiz will be on Ch 3, half will be Ch 2. My On Line Practice Quiz for Ch 3 (incl Ch 2); my Review; and On Line Practice Quizzes from Glencoe (link that looks like globe)
- Conversion Grid: Conversion Grid - for changing units of measure Std MISC
- Significant Figures Chart: Significant Figures chart from textbook Std MISC
- Significant Figures Counting: Significant Figures – Tutorial for counting Std MISC
- Temp Conversion: Temperature Conversion Formulas from textbook – any temp scale to any other Std MISC
- Temperature Scales: Comparison – 3 temperature scales, picture from textbook Std MISC
- Density Problems - Calculations with Grids: The concept of using any equality as a conversion factor is used to introduce grid-style conversions and density density probs. Includes 20 pract. probs and 2 ex with solns.
- Conv. Units of Measure - BIG BIGGER: Shows relationship of all prefixes and how to convert from one to another BIG <--> BIGGER
- SI Base Units Explained: SI Base Units of Measure are explained in this tutorial. Several examples are given to see what derived units are.
Conversion
● Mathematics in Chemistry Visit Site
● Using Your Calculator Visit Site
● Converting units of measure - the "1" concept Visit Site
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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
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General
● Triple Beam Balance, interactive reading mass Visit Site
● Free conversion calculator to convert anything to anything Visit Site
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SI Base Units
● SI Units - Explained with very comlete definitions, background of derivation, and more (NIST). Visit Site
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Significant Figures
● Significan Figure practice, interactive, gives one question after another, but just one at a time. (CSUDH) Visit Site
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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
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