To my students,
here is the update for today:
Regent Chemistry 2:
• Better download and work on that review sheet, we'll go over it tomorrow...
• Unit Exam on Friday.
Earth Science 2:
• If you have not finished your take-home lab. #26, tonight looks like the sky is clear so better go out and look for that North star and finish up your lab. for tomorrow.
• Assignment Sheet #6 is due Friday. For PD. 3, make sure to ask for the assignment sheet first thing the class begin.
Once again, last day of the marking period is next Friday. Make sure all of you turn in all the missing lab. reports to make them counts!
Dr. Liu
Wednesday, April 30, 2008
Tuesday, April 29, 2008
Update for 4/29/2008
To my students,
Sorry I wasn't able to make it in on Monday & Tuesday (due to health reason).
I will be in on Wednesday. For my Chemistry Class, please be prepared to stay for a 9th period Chemistry lab. on Wednesday. If you can't, then please make arrangement to go to Ms. Ha's Wed. morning lab at 7:10 AM (which should be least crowded).
See you on Wednesday!
Dr. Liu
Sorry I wasn't able to make it in on Monday & Tuesday (due to health reason).
I will be in on Wednesday. For my Chemistry Class, please be prepared to stay for a 9th period Chemistry lab. on Wednesday. If you can't, then please make arrangement to go to Ms. Ha's Wed. morning lab at 7:10 AM (which should be least crowded).
See you on Wednesday!
Dr. Liu
Wednesday, April 23, 2008
Chemistry Unit 12 Exam Review Sheet
Enjoy your vacation so far?
For my Chemistry class: Sorry about the delay, but here is the review sheets for the next unit exam (to be held on Wednesday). Try your best, we still have one more new lesson to cover on Monday. Then we will go over the review sheets on Tuesday...
Dr. Liu
For my Chemistry class: Sorry about the delay, but here is the review sheets for the next unit exam (to be held on Wednesday). Try your best, we still have one more new lesson to cover on Monday. Then we will go over the review sheets on Tuesday...
Dr. Liu
Friday, April 18, 2008
Assignment update for Spring Break 2008
Geezzz... You guys have no idea how much I'm looking forward to the beginning of Spring Break! Well, may be you have some idea...
Alright, let's see..
Regent Chemistry 2:
• Well, the demo didn't quite go as well as planned, we'll figure out what went wrong, one of these day...
• Check back later this weekend for a review sheet. Read the remaining sections of the chapter to get some background.
• Lab. #25 report due on Monday when we come back.
• Unit exam - probably the Wednesday after we come back from the break.
• For those of you who're still cuddling to your precious incomplete lab. reports, I have a word for you: Finish them up and turn them IN!
Earth Science 2:
• If you didn't finish the plot and answering the questions for Lab. #25, do so and turn it in the first day we come back.
• Take-home Quiz due on the day we come back.
• Take-home lab. #26 on the day we come back; it actually should be quite fun!
• Same words of advice: For those of you who're still cuddling to your precious incomplete lab. reports, finish them up and turn them IN!
That's all, folks, have a fun and safe Spring Break!
Dr. Liu
Alright, let's see..
Regent Chemistry 2:
• Well, the demo didn't quite go as well as planned, we'll figure out what went wrong, one of these day...
• Check back later this weekend for a review sheet. Read the remaining sections of the chapter to get some background.
• Lab. #25 report due on Monday when we come back.
• Unit exam - probably the Wednesday after we come back from the break.
• For those of you who're still cuddling to your precious incomplete lab. reports, I have a word for you: Finish them up and turn them IN!
Earth Science 2:
• If you didn't finish the plot and answering the questions for Lab. #25, do so and turn it in the first day we come back.
• Take-home Quiz due on the day we come back.
• Take-home lab. #26 on the day we come back; it actually should be quite fun!
• Same words of advice: For those of you who're still cuddling to your precious incomplete lab. reports, finish them up and turn them IN!
That's all, folks, have a fun and safe Spring Break!
Dr. Liu
Thursday, April 17, 2008
Update for 4/17/08
To my students,
here is the update for today:
Regent Chemistry 2:
• HW #28 (Due tomorrow): Holt - Read pp. 626-631; Do p. 631 Problems #1, 2, 3, 9
• Unit Exam the week after spring break.
Earth Science 2:
• Here is today's lab data for plotting the graphs for your lab. #25 write-up (for all periods). Remember, Vertical axis is the dissolution time, Horizontal axis includes 3 different points: Tablet, 4-pieces, and Powders for today's experiment. For each group, plot the 3 points and draw a line through them. Use 1 color for room temp (18 oC - 24 oC), and a different color for higher temperature range (30 oC - 40 oC). If there is too much temperature difference (> 1 or 2 oC) within a group's data, I would suggest you drop that set of data (it would be difficult to interpret).
• Lab. #25 write-up is due tomorrow. Make sure you answer all the questions and do the plot.
Dr. Liu
here is the update for today:
Regent Chemistry 2:
• HW #28 (Due tomorrow): Holt - Read pp. 626-631; Do p. 631 Problems #1, 2, 3, 9
• Unit Exam the week after spring break.
Earth Science 2:
• Here is today's lab data for plotting the graphs for your lab. #25 write-up (for all periods). Remember, Vertical axis is the dissolution time, Horizontal axis includes 3 different points: Tablet, 4-pieces, and Powders for today's experiment. For each group, plot the 3 points and draw a line through them. Use 1 color for room temp (18 oC - 24 oC), and a different color for higher temperature range (30 oC - 40 oC). If there is too much temperature difference (> 1 or 2 oC) within a group's data, I would suggest you drop that set of data (it would be difficult to interpret).
• Lab. #25 write-up is due tomorrow. Make sure you answer all the questions and do the plot.
Dr. Liu
Wednesday, April 16, 2008
Update for 4/16/08
To my students,
here is the update for today:
Regent Chemistry 2:
• HW #27 (Due tomorrow): Holt - Read pp. 612-615, Do p. 615 Problems #3, 4, 7, 8
Earth Science 2:
• No HW today. Lab. tomorrow!
Dr. Liu
here is the update for today:
Regent Chemistry 2:
• HW #27 (Due tomorrow): Holt - Read pp. 612-615, Do p. 615 Problems #3, 4, 7, 8
Earth Science 2:
• No HW today. Lab. tomorrow!
Dr. Liu
Tuesday, April 15, 2008
Assignment Update for 4/15/08
To my students,
here is the update for 4/15/08:
Regent Chemistry 2:
• HW #26 due date has been postponed 'til tomorrow. Use the class notes as your reference. Be sure to know how to assign oxidation number, determine if it's a redox equation, writing half-reactions, and identifying oxidizing and reducing agents.
• Quiz tomorrow (similar to what we did today in class and in HW #26).
• All late/make-up assignments due by tomorrow!!
Earth Science 2:
• I still only have a handful of Lab. #24 write-up completed and submitted...
• All late/make-up assignments due by tomorrow!!
Dr. Liu
here is the update for 4/15/08:
Regent Chemistry 2:
• HW #26 due date has been postponed 'til tomorrow. Use the class notes as your reference. Be sure to know how to assign oxidation number, determine if it's a redox equation, writing half-reactions, and identifying oxidizing and reducing agents.
• Quiz tomorrow (similar to what we did today in class and in HW #26).
• All late/make-up assignments due by tomorrow!!
Earth Science 2:
• I still only have a handful of Lab. #24 write-up completed and submitted...
• All late/make-up assignments due by tomorrow!!
Dr. Liu
Monday, April 14, 2008
Update for 4/14/2008
To my students,
here is the assignment update for today:
Regent Chemistry 2:
• HW #26: Holt – Do. P. 611 Problems #9 (a-f)
• All late and make-up assignments (HW, Labs) due by this Wednesday.
Earth Science 2:
• Lab. #24 past due (it was due today). Finish it and turn it in! If you don't have the data, it's listed under Friday's blog entry.
• All late and make-up assignments (HW, Labs) due by this Wednesday.
Dr. Liu
here is the assignment update for today:
Regent Chemistry 2:
• HW #26: Holt – Do. P. 611 Problems #9 (a-f)
• All late and make-up assignments (HW, Labs) due by this Wednesday.
Earth Science 2:
• Lab. #24 past due (it was due today). Finish it and turn it in! If you don't have the data, it's listed under Friday's blog entry.
• All late and make-up assignments (HW, Labs) due by this Wednesday.
Dr. Liu
Friday, April 11, 2008
Update for 4/11/2008
To my students,
here is the update for this weekend:
Regent Chemistry 2:
• HW #25 (Due Monday): Holt - Read pp. 608-611, Problems 2, 6, 7, 8
• Lab. Report #24 due Monday.
Earth Science 2:
• Finish the write-up for Lab. #24. Be sure to answer all the questions on a separate sheet of paper (or half of your Lab report credit is gone). Also, make sure your lab. write-up include a plot of all the data generated in your class.
• Period 4: some of you did not get a chance to write down the data, so here it is: (x, y)
Data: (30.5 oC, 26 sec); (41.5oC, 22 sec); (25.5oC, 30 sec); (30.5oC, 26 sec); (42.5 oC, 19 sec); (18 oC, 48 sec); (17.5oC, 50 sec); (16.75 oC, 43 sec); (22 oC, 40 sec); (19 oC, 35 sec); (28.5 oC, 33 sec).
• Period 8 Data: (32.5 oC, 20 sec); (40oC, 16 sec); (21 oC, 35 sec); (22 oC, 40 sec); (21 oC, 33 sec); (18 oC, 38 sec); (21.5 oC, 97 sec); (16.5 oC, 42 sec); (27.5 oC, 25 sec); (6 oC, 110 sec); (6.5 oC, 130 sec); (29 oC, 38 sec); (39 oC, 21 sec).
ALL CLASSES: Turn in all your late HW by next Wednesday. If not, the policy will be changed and you will not be allowed to hand in any late assignment for the remainder of the year!!!
Dr. Liu
here is the update for this weekend:
Regent Chemistry 2:
• HW #25 (Due Monday): Holt - Read pp. 608-611, Problems 2, 6, 7, 8
• Lab. Report #24 due Monday.
Earth Science 2:
• Finish the write-up for Lab. #24. Be sure to answer all the questions on a separate sheet of paper (or half of your Lab report credit is gone). Also, make sure your lab. write-up include a plot of all the data generated in your class.
• Period 4: some of you did not get a chance to write down the data, so here it is: (x, y)
Data: (30.5 oC, 26 sec); (41.5oC, 22 sec); (25.5oC, 30 sec); (30.5oC, 26 sec); (42.5 oC, 19 sec); (18 oC, 48 sec); (17.5oC, 50 sec); (16.75 oC, 43 sec); (22 oC, 40 sec); (19 oC, 35 sec); (28.5 oC, 33 sec).
• Period 8 Data: (32.5 oC, 20 sec); (40oC, 16 sec); (21 oC, 35 sec); (22 oC, 40 sec); (21 oC, 33 sec); (18 oC, 38 sec); (21.5 oC, 97 sec); (16.5 oC, 42 sec); (27.5 oC, 25 sec); (6 oC, 110 sec); (6.5 oC, 130 sec); (29 oC, 38 sec); (39 oC, 21 sec).
ALL CLASSES: Turn in all your late HW by next Wednesday. If not, the policy will be changed and you will not be allowed to hand in any late assignment for the remainder of the year!!!
Dr. Liu
Thursday, April 10, 2008
Update for 4/10/2008
To my students,
here is the update:
Regent Chemistry 2:
• HW #24 (Due tomorrow)
Holt - Read pp. 604-608, Do p. 607 Practice Problems 1 (a-l)
Earth Science 2:
• NO HW today. Lab. tomorrow.
Dr. Liu
here is the update:
Regent Chemistry 2:
• HW #24 (Due tomorrow)
Holt - Read pp. 604-608, Do p. 607 Practice Problems 1 (a-l)
Earth Science 2:
• NO HW today. Lab. tomorrow.
Dr. Liu
Wednesday, April 9, 2008
Update for 4/9/08
To my students,
Here is the update for today...
Regent Chemistry 2:
• Oh my, oh my... You guys really surprised me on your exam performance this time...
• I'm start seeing quite a number of slackers on the HWs... Make up the HW --- NOW! Otherwise I'm going to change the policy to no acceptance of late HW if this rule is being abused...
• Start working on your lab. report #24.
Earth Science 2:
• HW #5 (Due tomorrow)
1. What happens to a rock’s mineral composition during mechanical weathering? During chemical weathering?
2. Name 2 rock characteristics and two climatic factors that affect the rate of weathering.
3. How is increasing level of carbon dioxide in the air affect rate of chemical weathering?
Dr. Liu
Here is the update for today...
Regent Chemistry 2:
• Oh my, oh my... You guys really surprised me on your exam performance this time...
• I'm start seeing quite a number of slackers on the HWs... Make up the HW --- NOW! Otherwise I'm going to change the policy to no acceptance of late HW if this rule is being abused...
• Start working on your lab. report #24.
Earth Science 2:
• HW #5 (Due tomorrow)
1. What happens to a rock’s mineral composition during mechanical weathering? During chemical weathering?
2. Name 2 rock characteristics and two climatic factors that affect the rate of weathering.
3. How is increasing level of carbon dioxide in the air affect rate of chemical weathering?
Dr. Liu
Tuesday, April 8, 2008
Update for 4/8/08
To my students,
here is the updates:
Regent Chemistry 2:
• Know how to do the problems on the review sheet, study your notes,and rest well...
• Unit Exam tomorrow on Acids and Bases.
Earth Science 2:
• If you had hand in the classwork assignment today, that should be all, no further HW.
Dr. Liu
here is the updates:
Regent Chemistry 2:
• Know how to do the problems on the review sheet, study your notes,and rest well...
• Unit Exam tomorrow on Acids and Bases.
Earth Science 2:
• If you had hand in the classwork assignment today, that should be all, no further HW.
Dr. Liu
Monday, April 7, 2008
Update for 4/7/2008
To my students,
here is the update for today:
Regent Chemistry 2:
• Fot those of you who didn't bother to check the website for review sheet again on Sunday, make sure you download it this time and print it out to work on it. We'll go over it tomorrow.
• Unit Exam on Wednesday.
Earth Science 2:
• I'm surprised how many of you can't seem to follow the instruction on the constructive response part... This is not good, not good at all...
• No work for tonight, we'll begin tomorrow!
Dr. Liu
here is the update for today:
Regent Chemistry 2:
• Fot those of you who didn't bother to check the website for review sheet again on Sunday, make sure you download it this time and print it out to work on it. We'll go over it tomorrow.
• Unit Exam on Wednesday.
Earth Science 2:
• I'm surprised how many of you can't seem to follow the instruction on the constructive response part... This is not good, not good at all...
• No work for tonight, we'll begin tomorrow!
Dr. Liu
Sunday, April 6, 2008
Update for 4/6/08
To my students,
Sorry about the delay in update posting...
Regent Chemistry 2:
• Here is the review sheet for the upcoming unit exam on Acids & Bases. Work on it, and we will go over them when class resumes.
• Don't forget, Lab. Report #23 due on Monday!
Earth Science 2:
• Unit Exam on Monday: Topics covered are Earthquake, Plate Tectonics, and Volcanoes (questions distribution are in the same order, too..) Study hard!
• For those of you missed the review sheet answering session on Friday, here are the answers:
1. Seismogram
2. Convection
3. C
4. A
5. D
6. B
7. D
8. B
9. C
10. P-wave: Longitudinal, Pass thru all media (solid, liquid, gas), fastest among all waves.
S-wave: transverse, Pass only thru solid, slower than P-wave, but with larger wave amplitude.
11. C
12. A
13. A
14. B
Here you go, enjoy!
Dr. Liu
Sorry about the delay in update posting...
Regent Chemistry 2:
• Here is the review sheet for the upcoming unit exam on Acids & Bases. Work on it, and we will go over them when class resumes.
• Don't forget, Lab. Report #23 due on Monday!
Earth Science 2:
• Unit Exam on Monday: Topics covered are Earthquake, Plate Tectonics, and Volcanoes (questions distribution are in the same order, too..) Study hard!
• For those of you missed the review sheet answering session on Friday, here are the answers:
1. Seismogram
2. Convection
3. C
4. A
5. D
6. B
7. D
8. B
9. C
10. P-wave: Longitudinal, Pass thru all media (solid, liquid, gas), fastest among all waves.
S-wave: transverse, Pass only thru solid, slower than P-wave, but with larger wave amplitude.
11. C
12. A
13. A
14. B
Here you go, enjoy!
Dr. Liu
Thursday, April 3, 2008
Update for 4/3/2008
To my students,
Here is the update for today.
Regent Chemistry 2:
• HW #23 (Due tomorrow): Holt - Do p. 556 Problems #8, 9, 11, 12.
• Time to work on that lab. report #23: Due Monday - but let's get it over with..
• Unit Exam: next Tuesday.
Earth Science 2:
• Work on the review sheet for next unit exam tonight! We will go over the answers tomorrow.
• For those of you who haven't hand in the lab., after tomorrow there will be automatic penalty.
• Unit Exam: next Monday! Study hard (class notes and review sheets).
Oh, one more thing: Parents Teacher Conference 5:30~8:00 PM tonight, 12~2:30 PM tomorrow! I'll be in Room 336.
Dr. Liu
Here is the update for today.
Regent Chemistry 2:
• HW #23 (Due tomorrow): Holt - Do p. 556 Problems #8, 9, 11, 12.
• Time to work on that lab. report #23: Due Monday - but let's get it over with..
• Unit Exam: next Tuesday.
Earth Science 2:
• Work on the review sheet for next unit exam tonight! We will go over the answers tomorrow.
• For those of you who haven't hand in the lab., after tomorrow there will be automatic penalty.
• Unit Exam: next Monday! Study hard (class notes and review sheets).
Oh, one more thing: Parents Teacher Conference 5:30~8:00 PM tonight, 12~2:30 PM tomorrow! I'll be in Room 336.
Dr. Liu
Wednesday, April 2, 2008
Update for 4/2/08
Here is the update for today:
Regent Chemistry 2:
• HW #22 (Due tomorrow): Holt - Read pp. 548-556, Do p. 556 Problems # 1, 2, 5, 7
Earth Science 2:
• Finish and submitted your Lab. write-up #22 + #23 by tomorrow if you haven't done so today.
• Unit Exam: Next Monday.
Dr. Liu
Regent Chemistry 2:
• HW #22 (Due tomorrow): Holt - Read pp. 548-556, Do p. 556 Problems # 1, 2, 5, 7
Earth Science 2:
• Finish and submitted your Lab. write-up #22 + #23 by tomorrow if you haven't done so today.
• Unit Exam: Next Monday.
Dr. Liu
Tuesday, April 1, 2008
Update for 4/1/2008
To my students,
Guess you guys are pretty alert today, huh?
Regent Chemistry 2:
• Finish HW #21 (see yesterday's post).
• You may want to start working on your lab. #23 just to get it out of the way (it's pretty simple, by the way...)
Earth Science 2:
• No HW today. Finish the lab. and bring the lab. sheets for tomorrow.
• Tomorrow is the part II of the lab.
Dr. Liu
Guess you guys are pretty alert today, huh?
Regent Chemistry 2:
• Finish HW #21 (see yesterday's post).
• You may want to start working on your lab. #23 just to get it out of the way (it's pretty simple, by the way...)
Earth Science 2:
• No HW today. Finish the lab. and bring the lab. sheets for tomorrow.
• Tomorrow is the part II of the lab.
Dr. Liu
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