RPS Lewis Dot Diagrams

In Class:

Mr. Yamashita out judging science fair today.

• Read through lecture slides on Lewis Dot Diagrams.
• Work on RPS HW 7.5: Lewis Dot Diagrams. (Due at end of class period.)

No Homework.

No Videos today.

HPS Science Fair!

All Day:

• Science Fair in gymnasium!

No homework.

No Videos.

CPS Ion Formation, Continued

In Class:

Mr. Yamashita out judging science fair today.

• Time to work on either:
• Lecture notes and practice problems on ion formation
• CPS HW 6.3: Periodic Table, which should be done after reading pp. 284-291 in textbook.

RPS Ion Formation

In Class:

TENTATIVE test date of Wed 3/5/2008 announced.

• Lecture on ion formation.
• Lecture notes available here.
  
• TENTATIVE schedule of events over the next several days announced to students:
• Fri 2/29: Mr. Yamashita out for science fair. Sub will likely have materials to present Lewis Dot Diagrams to students.
• Mon 3/3: Review day for test
• Tue 3/4: No school
• Wed 3/5: RPS Test 7: Atomic Structure and Periodic Table.
  

Homework (due Fri 2/29/2008):

• RPS HW 7.4: Ion Formation.

Videos (4 videos):

Ion Formation


Ion Formation Example: Fluorine


Ion Formation Example: Beryllium


Ion Formation and Noble Gases

HPS Science Fair Setup Day!

In Class:

• Finish Test 7: Mixtures and Solutions (about 10 minutes of class time allowed for this).
• Go to set up display materials for tomorrow's science fair.

Homework:

• Dress nicely for the science fair!

No videos today.

CPS Start Ion Formation

In Class:

• Review yesterday's quizzes and give students opportunity to retest, if desired.
• Start CPS Lecture: Ion Formation.

HPS Test 7: Mixtures and Solutions

In Class:

• Take HPS Test 7: Mixtures and Solutions
  
• Class interrupted for critically important science fair information. Time will be given to students tomorrow during beginning of class to complete tests.

Homework (all due Thu 2/28/2008)

• Complete science fair presentations boards.
• Bring in science fair presentation boards (we will be setting them up during class tomorrow)
• Bring in science fair log books to hand in.
• Bring in signed paperwork for science fair (handed out in class yesterday)

No videos today.

RPS Bookwork and Homework on Periodic Table

In Class:
Mr. Yamashita out today (curriculum development meeting all day)

• Read pp. 278-281, 284-291 in textbook.
• Work on RPS HW 7.2: Periodic Table.

Homework:

• RPS HW 7.2: Periodic Table. Due tomorrow (2/28/2008)

No videos today.

CPS Quiz 6.1: Atomic Structure and Periodic Table

In Class:

• Time to study/review for quiz
• CPS Quiz 6.1: Atomic Structure and Periodic Table

HPS Test Review and Science Fair Papers

In Class:

• Time to study for test and ask Mr. Yamashita questions. Students encouraged to work on HPS Notes 7.2: Unit 7 Test Review.
• Science Fair consent and agreement forms distributed. There are two:
• Regional entry form. Entry form for the regional science fair, should the students be selected to the regional fair.
• Attendance agreement form. States expectation that students and teams who earn the right to attend the regional fair will attend, or let organizers know NOW that they do not intend to attend the regional fair.

Homework:

• Study for test (which is tomorrow, Wed 2/27/2008)
• Complete and get signatures on science fair paperwork (due Thursday 2/28/2008)

No Videos today.

RPS Calculating Average Atomic Mass

In Class:
Mr. Yamashita will be out of class (but in the building) tomorrow for an all-day meeting with other members of the science department. After school help sessions are still planned.

• Calculating average atomic mass of elements.
• Lecture notes available here.
  

Homework:

• RPS HW 7.3: Average Atomic Mass. Due Wed 2/27/2008
• (Yes, this is out of sequence: RPS HW 7.2 will be given tomorrow in class)
• Read pp. 278-281 in textbook.
• BRING TEXTBOOK TO CLASS TOMORROW!
  

Videos (3 videos):

Understanding Weighted Averages


Average Atomic Masses, Part 1


Average Atomic Masses, Part 2

CPS Nuclide Symbols

In Class:

Reminder: Quiz tomorrow!

• Nuclide Symbols. Lecture notes available here.
• Quiz topics:
• Atomic Structure
• Electron configurations
• Isotopes (including naming and nuclide symbols)

CPS Review of Atomic Structure

In Class:

Quiz announced for Wed 2/27/2008

• Review questions to review what has been covered so far in this unit:
• Atomic Structure basics
• Electron configuration diagrams
• Isotopes: differences at nuclear level and naming conventions

RPS Atomic Identity, Isotopes, and Periodic Table Entries

In Class:

• Atomic Identity (mostly review of material from middle school curriculum)
• Isotopes: naming and using nuclide symbols
• Review of basic use of periodic table to find element names, atomic numbers, chemical symbols, and average atomic masses.
• Lecture notes available here.
  

Homework:

• RPS HW 7.1: Atomic Identity and Isotopes. Due Tue 2/26/2008
• Bring Textbook to class for next couple days, please!

Videos (4 videos):

Atomic Number and Mass Number


Isotopes Basics and Naming


Periodic Table Entries


Nuclide Symbols

HPS Properties of Liquids and Gas/Liquid Solutions

In Class:

• Video of super saturation demonstration (see videos)
  
• Properties of (liquid) solutions:
• freezing point depression
• boiling point elevation
• Solutions of gases in liquids
• dissolving process
• factors affecting solubility of gases in liquids

Homework:

• HPS Notes 7.2: Unit 7 Test Review. Start this in preparation for test on Wednesday.

Videos:
These videos are from the regular physical science class, but cover the same material at the same depth. The pace of presentation in the regular class was a little bit slower.

From Feb 4, 2008: Super Saturation Demonstration with Sodium Acetate in Water


From Feb 11, 2008: Properties of Solutions: Freezing Point Depression


From Feb 12, 2008: Properties of Solutions: Boiling Point Elevation



From Feb 12, 2008: Solutions of Gases in Liquids, Part 1


From Feb 12, 2008: Solutions of Gases in Liquids, Part 2

HPS Sample Abstracts

Sample Science Fair Abstracts Uploaded!

• Sample abstracts are available here.

• HPS Notes 7.2: Unit 7 Test Review is available. This will be handed out in class Monday 2/25/2008.

HPS Science Fair Info (Abstracts and Papers)

In Class:

Test announced for Wed 2/27/2008

• Discuss what needs to be included in science fair abstracts. Information can also be found beginning on page 23 of the student guide to the science fair.
• Discuss what needs to be included in science fair papers. This information traditionally is actually included on the poster board (distributed in class today) used at the science fair. This information can be found in the student guide to the science fair also.
• Discuss schedule for the week after break:
• Mon 2/25: Lecture info on Solutions. Last bit for Unit 7: Mixtures and Solutions.
• Tue 2/26: Mr. Yamashita will be out. Students to use class time for test review (study guide sheets will be provided) and/or for final preparations for the science fair.
• Wed 2/27: TEST on Unit 7: Mixtures and Solutions.
• Thu 2/28: Science Fair setup day -- set up boards and materials in gym. Log books to be handed in to Mr. Yamashita this day.
• Fri 2/29: Science Fair. Students will be in gym with their presentations all day.

Homework:

• Finish up science fair projects over break!

CPS Element Research Project Presentations

In Class:

• Students who chose to do presentations present their projects today in class.
• Those who chose to do papers hand in final drafts of paper in class.

RPS Start Unit 7: Atomic Structure & Periodic Table

In Class:

• Atomic Structure lecture (should be review from what was learned in middle schools)
• How to draw electron configuration diagrams.
• Lecture notes available here.
  

Homework:

• Color periodic table (handed out in class). Use the colors from the textbook version of the periodic table as a guide. See pp. 286-287. The actual colors may be different, but should map correctly to the colors in the textbook.

Videos (3 videos):

Atomic Structure Review


About the Subatomic Particles


Electron Configurations

HPS Concentration, Solubility, and Saturation

In Class:

• Concentration of solutions:
• expressed as mass of solute/mass of solvent
• expressed in percent by mass of solution mass
• Solubility of solutions:
• using proportions to solve problems
• reading solubility graphs
• HPS Notes 7.1: Solubility of Common Salts Graph distributed
  
• Saturation of solutions:
• saturated, unsaturated, and super saturated solutions defined.

Homework (due Fri 2/15/2008):

• HPS HW 7.1: Concentration and Solubility

Videos:

• See videos from RPS Unit 6.
• Note that the percent by mass method of concentration of solutions is not covered in the videos from the RPS class (it is material presented only to the honors class).

CPS Start Presentations of Elements Projects

In Class:

• Groups start presenting. Only one group was ready to go today, so all other groups will present tomorrow.
• Those who chose to do a paper instead of a presentation project have their papers due tomorrow.

Homework:

• Finish papers and prepare presentations.

RPS Test 6: Mixtures and Solutions

In Class:

• Test 6: Mixtures and Solutions

No Homework.

No Videos.

Snow Day!

No school today!

CPS Time to work on Projects, and more

In Class:

• Time to work on elements research projects. Presentations will begin tomorrow. Papers will be handed in (due) Thursday.
• For students done with projects, please work on notes from yesterday. (See yesterday's post for link to notes).
• For students done with both of the above, start working on CPS HW 6.2: Atomic Structure and Identity

HPS Formation of Solutions

In Class:

• Solutions (homogeneous mixtures):
• Parts
• Formation of
• Kinesthetic exercise to describe dissolving process
• Factors affecting rate of dissolving/solution formation
  

No Homework.

Videos:

• The videos for the RPS classes are organized by unit (see link at right under "Useful Online Resources"). Videos from January 30, 2008 cover this same material and are relevant.

RPS Test Review Day

In Class:

• (E & G periods only): Solutions of gas solutes and liquid solvents.
• To see lecture notes on this, please see the end of the notes taken from yesterday.
• Test Review: Topics:
• Extended SI unit conversions
• Heterogeneous mixtures
• colloids and suspensions
• Tyndall effect
• Homogeneous mixtures (solutions)
• Properties of liquid solutions
• Freezing point depression & boiling point elevation
• Gas solutes in liquid solvents
• Formation of solutions
• How it happens
• How to increase the rate of dissolving
• Concentration and Solubility
• Graph skills
• Math skills
• Lecture notes available here.
  

Homework.

• Study for test (tomorrow!)

Videos (2 videos)

Solutions of Gases in Liquids, Part 1


After the first part of this presentation, a kinesthetic exercise was done in class. Because the students appear in the video, that kinesthetic exercise is not posted here. If you would like to view that video, please contact Mr. Yamashita.

Solutions of Gases in Liquids, Part 2 (after the kinesthetic exercise)

HPS Start Unit 7: Mixtures and Solutions

In Class:

• Lecture on mixtures and solutions:
• substances defined
  
• heterogeneous and homogeneous mixtures defined
• Tyndall effect
• Extended SI unit conversion
• Today's lecture is essentially the same as the lecture given to the Regular Physical Science class Jan. 28 and continued on Jan 29. Please see that posting for lecture notes and videos

Homework (due Tue 2/12/2008):

• Read pp. 246-253 and 415-412

CPS Lecture: Atomic Structure II (Isotopes of Elements)

In Class:

• Pass out and give students time to work independently on CPS Lecture: Isotopes of Elements.
• Once students completed these notes, if there was time left over, they were given class time to continue to work on their elements research projects, started last week.

RPS Properties of Solutions and Gas-Liquid Solutions

In Class:

Test announced for Wed 2/13/2008

• Properties of solutions (liquid solvent, solid solute):
• Freezing point depression and boiling point elevation
• Solutions of gases in liquids (C period only... other classes did not get this far)
  
• Lecture Notes available here.
  

No Homework.

Videos (3 videos):

Properties of Solutions: Freezing Point Depression


Properties of Solutions: Boiling Point Elevation


Explanation of Properties of Solutions

Robotic Rubik's Cube Solver

For all my students who are obsessed with the Rubik's Cube:

CPS Library Day 3: Elements Research Project

In Class:

• Final day of Library research for the CPS HW 6.1: Element Research Project.
• Presentations will begin next week, and final drafts of papers will be due next week, also.

HPS Test 6: Fluid Principles & Gas Laws

In Class:

• HPS Test 6: Fluid Principles & Gas Laws.

No Homework.

RPS Quiz 6.1: Mixtures and Solutions

In Class:

• Quiz 6.1: Mixtures and Solutions
• C & E periods: if done with quiz early, students may use the time to work on RPS Lab 6.1: The Effect of Temperature on Solubility

Homework (due Mon 2/11/2008):

• Read pp. 420-421 and 432-434

No videos today.

CPS Library Day: Elements Research Project

In Class:

• Go to library: time to work on elements research project.
• Tomorrow will be the final day in the library. Presentations will begin next week.

RPS Quiz study time and Lab time

In Class:

• Time to work on RPS Lab 6.1: The Effects of Temperature on Solubility (C and E periods only).
• Time to study for tomorrow's quiz. Quiz topics:
• Heterogeneous mixtures:
• Colloids & Suspensions
• Tyndall Effect
• Homogeneous mixtures (solutions):
• Concentration
• Solubility

Homework (Due Fri 2/8/2008):

• Study for quiz.
• Complete RPS Lab 6.1: The Effect of Temperature on Solubility.
  

No videos today.

HPS Test Review Day

In Class:

• Test review topics:
• Fluid Principles:
• Bernoulli
• Archimedes
• Pascal
• Gas Laws
• Boyle
• Charles
• Gay-Lussac
• Pressure
• formula, units of atmospheres
• Discussion of gas behavior in demonstrations done yesterday

Homework:

• Study for tomorrow's test

HPS Demo Day

In Class:

TEST announced for Friday 2/8/2008

• Demonstrations of gas laws and fluid principles in action:
• crush a soda can using air pressure
• fill an inverted flask using air pressure
• air thermometer (not done due to time constraints)
• fill a balloon that is already sealed off using a vaccum pump

No Homework.

RPS Lab 6.1 Day 2

In Class:

Quiz announced for Friday 2/8/2008

• C and E periods: Complete Lab 6.1: The Effect of Temperature on Solubility.
• This did not go well; the design of the lab does not mesh well with the existing laboratory skills level of the majority of the students, so the values that they are obtaining are confusing, even though the calculations are correct.
• G Period: review answers to textbook questions that were done in class yesterday.
• The lab on solubility will likely be omitted from the G period class's instruction.

No homework.

No Videos today.

CPS Library Day: Elements Research Project

In Class:

• Students are given a choice of doing either a research paper or a research presentation on chemical elements. The descriptions of what is expected for each assignment are:
• For the PAPER: CPS HW 6.1: Element Research Project Paper
• For the PRESENTATION: CPS HW 6.1: Elements Research Project Presentation
  
• Class spent in the library doing research.

CPS Start Unit 6: Atomic Structure and Periodic Table

In Class:

• Start CPS Lecture: Atomic Structure I.

RPS Solubility Lab Day 1

In Class:

• C and E periods: Day 1 of RPS Lab 6.1: The Effect of Temperature on Solubility.
• G Period: Mr. Yamashita out of building at Russell Road school. Students to do textbook questions p. 438 #1-4, 6-10, 17-20, 24, 25 in class and hand in work at end of period to substitute teacher.
  

Homework:

• C and E periods: Read remainder of lab in preparation for completing it in class tomorrow. Full lab write up will be due Fri 2/8/2008.
• G period: no homework.
  

No videos today.

HPS Gas Laws

In Class:

• Gas Laws: Boyle's law, Charles' law, and Gay-Lussac's law

Homework (due Wed 2/6/2008)

• HPS HW 6.4: Gas Laws

RPS Supersaturation Demo and Lab Preview

In Class:

• C Period: do kinesthetic activity to better understand super saturation (E and G periods did this Friday).
• E Period: do demo of super saturation using a solution of Sodium Acetate in water (C period did this Friday)
• C & E periods: preview of lab procedures for solubility lab that will be performed in class Tues and Wed of this week.
• Lecture notes available here.
  
• G period: behavior issues in class, not much accomplished

Homework:

• C & E periods: remember to bring hair ties (if necessary) and to dress appropriately for the lab.
• G Period: no homework... will not be doing lab until later.
  

Videos (coming soon):

• Sorry, I forgot to video tape during the preview of the lab.

Super saturation demo with Sodium Acetate in water solution

HPS Start Gas Laws

In Class:

• Review previous 3 assignments that have been given.
• Boyle's Law introduction (definition)

No Homework.

CPS Time to finish Levers HW

In Class:

• Time to finish CPS HW 5.2: Levers
• Make corrections to CPS HW 5.1: Machine Basics. Mr. Y had mistakenly thought that HW 5.1 was done, but it turns out that he hadn't handed it back after initial hand-in for corrections. Sorry, guys!

RPS Saturation of Solutions

In Class:

• Saturation of solutions.
• Lecture notes available here.
  

Homework:

• RPS HW 6.2: Solubility and Concentration. Due Mon 2/4/2008

Videos (2 videos):

Saturation of Solutions, Part 1


A kinesthetic activity with students demonstrating how saturation and supersaturation occur was done between these two videos. Because the video features students in the class, it is not posted here. If you would like to see a video of this, please contact Mr. Yamashita.

Saturation of Solutions, Part 2

CPS Finish Levers HW

In Class:

• Present Lecture: IMA Calculations. This lecture covers how to use IMA to calculate effort force and resistance force for simple machines.
• Time to finish CPS HW 5.2: Levers

HPS Science Fair Poster Presentation

In Class:

• Science Fair poster presentations. Posters are presented to fellow students, and are graded by fellow students.

Homework:

• Assignments due today are now due Monday 2/4/2008:
  
• HPS HW 6.1: Pressure and
  
• HPS HW 6.2: Archimedes and Pascal