Lab Safety quiz is coming up. Make sure you are reviewing each night in preparation for this very important event.
Parents, if you are still not getting emails from me please send me a short email with your email address and I will put you on my distribution list. It is possible that your email address was typed incorrectly.
"A little science estranges a man from God, a lot of science brings him back" ~ Sir Francis Bacon
I also want to make sure every student and parent that views active parent knows what all the symbols mean:
NG - "No grade" was rendered because of absence or failure to turn in an assignment (this goes down as a zero in the gradebook)
NM - "No Mark" has been entered because the assignment has not been graded or collected as of yet (this does not count against the student)
X - "Exempt" means the student does not have a grade for that assignment and is not expected to turn it in. This grade does not count against the student. This is used for a variety of reasons but is done so sparingly (I use it when one of my six classes was not able to attempt a particular assignment do to scheduling, fire drills, etc).
0-100 - Is the grade out of 100 that the student earned on that particular assignment.
FEQUENTLY ASKED QUESTIONS:
What do I need for class everyday?
1) Yourself
2) Your Chemistry Book
3) Your Chemistry 2 inch Binder and 3 Subject Notebook
4) Your TI-30 Calculator
5) A Pen AND Pencil
6) Your Homework
Can I get additional instruction?
Yes, I am available for additional instruction from 0745 - 0820, during break, and from 15:35-16:00. If none of these times work for you or if you need additional time we can make arrangements. I meet effort with effort! Don't let laziness stand between you and your grades!
Can I earn extra credit?
No, not usually. If you do your homework, read what I tell you to read, study for every graded event, and put forth an honest effort then extra credit is rendered unneccessary. Occassionally I will have a course wide optional extra credit assignment. I will NOT assign personallized extra credit.
Will you accept late work?
If you have an excused absence I will accept your work late. If you miss 1 (chemistry) day you get 1 extra day, 2 (chemistry) days you get get 2 extra days, etc. If you simply forget or your dog gets hungry then your grade will suffer as a result so get some ginko and feed your dog well.
How many bathroom passes do I get?
You must use the bathroom between classes, at break, or at lunch. You will not be permitted to leave your chemistry class unless it is an emergency.
How often do we have homework?
You will have homework nearly every night in some form or another. Now that might be in the form of reading, a worksheet, studying for a test, or preparing for a lab.
BELOW ARE A LIST OF LESSONS. THE OLDEST LESSON IS AT THE BOTTOM WITH THE NEWEST LESSON ON THE TOP.
Lesson 11: September 5 / 6, 2008
CW: After completing re-quizzes for Quiz 1 and the Lab Safety students were placed into groups of 4 to discuss science fair topics. We rated our own topics based upon difficulty, relevance, and viability. Students were then given 1 week to refine their topic and get it ready for presentation (Thursday / Friday next week).
Lastly, we worked together as a class to answer the question of how we could separate the heterogeneous mixture of copper shot, iron filings, sawdust, sand, benzoic acid, and salt. We then applied our knowledge of chapter three to the problem at hand. We then discussed chemical / physical properties and chemical / physical changes.
HW: Complete the following problems: Chapter 3, Page 72, problems 22, 23, 24, 27, 28, 28, 30, 38
Lesson 10: September 3 / 4, 2008
CW: After collecting the student lab reports and reviewing our lab safety quiz from last class each class took a chapter 3 vocabulary quiz. Since the classification of matter section is so vocabulary based this is how we start this chapter off.
After the vocabulary quiz students were broken down into two groups. The first group was comprised of students we scored below 70% on the first quiz and students who would like to take the requiz. That group was placed on one side of the classroom to work on their quiz 1 requiz. The next group consisted of all other students. This group was to work on a matter classification problem. During this problem they had to devise a methodology and procedure list for separating 5 materials/substances based upon chemical and physical properties. The students then had to use these chemical and physical properties in order to make a physical separation of the substances/materials.
After the quiz was over we discussed the classification of matter flowchart. This flowchart is used to classify matter in terms of its consistency with regard to phases, and purity.
HW: Complete the classification of matter worksheet problems (36 problems in all).
Lesson 9: August 29 / September 2, 2008
CW: In class students were given their practice lab. During this laboratory experiment students are asked to pour water from one peice of laboratory equipment to the next until they achieve the desired and preset volume. If they follow their procedures they will recieve a certain number of mL. After they have the desired amount of water they are to record this value and then find the mass of the water. They are then to apply the density formula to find the density in g/cm^3 for the water.
After the lab experiment the students took a lab safety quiz. This quiz asked questions from procedures, to rules, and emergency drills and laboratory equipment. The quiz contained true/false, multiple choice, matching, and fill in the blank. Students must make a 90% or greater before they will be allowed in the laboratory for a true lab experiment with chemicals other than water.
After the quiz we started discussing chapter 3 and what we would be doing for the next week in that chapter. Students were asked to write down 22 terms and study for the up comming vocabulary quiz.
HW: 1) Write a lab report for the practice lab using the lab report formate sheet.
2) Study all key terms from chapter 3 in prepartion for the vocabulary quiz we will have next class.
3) (If this applies to you) Study for the Metric and Measurement Re-Quiz given next week!
Lesson 8: August 27 / 28, 2008
CW: Today we continued on with laboratory safety in the chemistry classroom by discussing the various peices of equipment. I go by the philosophy that in order to work safely you have to know what you are doing first. To start the class off we first viewed two demonstrations: 1) ramp of fire (this demonstrates how fumes can catch fire in the laboratory), 2) flaming hand-sanitizer (this demonstrates why we wash our hands with soap and water before we start each experiment). During the second segment of the class students are to draw each peice of laboratory equipment. Next, using a series of nametags they are to tag each peice of equipment with the proper name. We then work as a class to see if our tags were correct. Next, we check our work and write down the proper names next to our drawings. In the third and final segment of class we went through a tutorial on how to properly light a bunsen burner, how to use the digital scale to measure a chemical, how to use the centrifuge, and how to measure liquid volumes with various glassware (all with the proper significant digits).
HW: Read and write a 1 page outline for chapter 3. Pay special attention to key terms (homogeneous, heterogenous, properties - both chemical and physical, changes - both chemical and physical). Also, study for your lab safety quiz. Remember, you must make a 90% or better in order to be allowed into the laboratory. This quiz will contain multiple choice, matching, and fill in the blank. You must demonstrate a proper knowledge of lab procedures (entering the lab, exiting the lab, emergency situations). You must show knowledge of the lab do's and don'ts. You must show an understanding of basic lab knowledge (how to dilute an acid or base, how to clean up acids or bases, how to dispose of chemicals). You must show knowledge of basic lab equipment (be able to identify the objects we drew in class).
Lesson 7: August 25 / 26, 2008
CW: After we went over the quiz we took last class we started a new section titled "Lab Safety." During this section we will cover all the lab safety rules and procedures. We will demonstrate profiency with the lab safety equipment and we will properly identify basic laboratory equipment. To help us facililtate these tasks we started today by drawing the basic laboratory equipment that you would find at a typical lab station. We discussed in small groups the most fundamental lab rules and procedures. Afterward we picked each small group's top 10 rules and discussed the merits of each rule in the laboratory.
HW: Complete the two sided practice sheet. On side 1 students are asked to identify common laboratory equipment. On side 2 students are asked to identify the lab rule/procedure which is not being observed.
Lesson 6: August 21 / 22, 2008
CW: To begin class students were asked to find a way to find the density of a piece of Aluminum using a graduated cylinder, and a scale. The only way they could manage this was to use the water displacement method to determine the volume; and then they could divide the mass (which they found using the scale) by the volume calculated by the volume of water displaced(For those who did not get a chance to do so during the previous lesson). After the lab activity we played a Chemistry Jeopardy review game on the mimio. This game included the main topics of chapter 2 (Metrics, Significant Figures, the Factor Label Method, Scientific Notation, and Percentage Error). After the review we went over the answers to their homework. Finally, we took our first quiz (scheduled for the last 40 minutes of the block). This quiz covered everything from the chapter which was reiterated during the Jeopardy review.
HW: Write 20 laboratory rules starting with most important and ending with least important. Explain why each rule made your list. These rules can be do's, don'ts or a combination of the two. Make sure that SAFETY is your primary concern, EDUCATION your secondary concern, and FUN your FINAL concern.
Lesson 5: August 19 / 20, 2008
CW: In the beginning of the class students were given a quick review over the concepts already learned in Unit 1: Measurement. We discussed the metric system, metric conversions, metric-standard conversions, significant digits, significant digit calculations, scientific notation, the % error formula, and the factor label method. After we reviewed each of these topics we reviewed the homework from the previous night - which included all of these topics. During the second half of class we discussed the density formula and how it could be used to solve for mass, volume, or density when properly manipulated. After this short discussion the students were given a lab problem. They had the following materials: a graduated cylinder, a digital scale, a piece of Aluminum, and a cup of water. With these items they were asked to make an inference/calculation as to the density of Aluminum.
HW: Page 43-44: 24-29, 37, 51 (Write the question, answer, and page number where the answer can be found)
Lesson 4: August 15 / 18, 2008
CW: Students applied their knowledge of the metric system, significant digits, and the factor label method to complete a series of practice problems while working with an assigned partner. After each group finished students were reassigned for a lab exercise involving density calculations. After leaving class students should be able to apply their knowledge of the metric system, significant dits, the factor label method, and the density formula to solve more complex word problems. Next class we will learn how to covert between systems of measurement (English Standard and Metric).
HW: Students are to read and complete the Scientific Notation / Percent Error practice sheet.
Lesson 3: August 13 / 14, 2008
CW: Students were given the opportunity to apply their knowledge of the metric system and significant digits and play a review game called "madison squares" based on the old television gameshow "hollywood squares." After this short review students were then broken down into groups of four. These groups were then used to cover the previously covered material in a simultaneous roundtable event. Each student had to rely on his/her group members to determine whether all of their answers on their sheet were correct. After all of the review over the metric system and significant digits was over we learned the factor label method. Using the factor label method can be very easy and the students were asked to use this tool to covert between english standard units and metric units and vice versa. After we finished the factor label method we discussed the uses of measurement systems and the tools we use to measure things with (scales, balances, rulers, tape measures, vessels, etc).
HW: Page 43-45: 32, 33, 35, 38, 45, 47, 48, 49, 55 (Write the question, answer, and page number where the answer can be found)
Lesson 2: August 11 / 12, 2008
CW: During class we reviewed the problem solving process. All classes that were unable to complete the goldenrod lab because of time issues were able to complete that today. We started our unit on measurement by discussing the metric system and significant figures. By the end of this lesson each student should know what the metric system is and how to convert between different units for length, mass, and volume.
HW: Complete Metric conversion practice problems (side 1) and Significant Figure introduction worksheet (side 2)
Lesson 1: August 7 / 8, 2008
CW: During class we discussed the various school and classroom rules. We filled out student bio sheets, introduced ourselves, and I gave the students a brief personal background. Students were issued seats and given a take home packet that is to be reviewed with their parent(s) and/or gaurdian(s). We discussed the science of chemistry and what I expect of each of my students as we explore this lab based science. We also conducted a small laboratory experiment where we saw the acid-base indicator properties of goldenrod paper when introduced to sodium bicarbonate.
HW:
1) Review the problem solving process
2) Read and write a 1 page outline for Chapter 2. Be sure to pay special attention to the metric system, accuracy, percission, the SI units, significant digits, and density calculations.
3) Bring to class no later than August 15, 2008 for a 100/100 A for your first quiz grade: 1)One time lab fee of $20.00 (cash or check) 2)Signed student contract 3)One box of Latex Gloves(any brand) 4)One roll of paper towels (any brand)
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