HPS Covalent Bonding, continued

In Class:

• Continue covalent bonding (multiple covalent bonds)
• "Ball & Stick" diagrams (structural chemical diagrams)

Homework:

• Complete 2006 MCAS practice problems. Due Mon 6/2/2008.

No videos today.

• See yesterday's posting for RPS versions of material presented.

RPS Series Circuits Lab

In Class:

• Work on RPS Lab 11.1: Series Circuits.

Homework:

• Finish 2006 MCAS practice problems.

No videos today.

CPS MCAS Review, Day 2

In Class:

• Time to review for MCAS (continued from yesterday).
• Introduced some to electricity, using apparatus used for RPS class's lab.

HPS Properties of Ionic Compounds & Covalent Bonding Intro

In Class:

• Properties of ionic compounds:
  
• Most of the time spent on discussing how electricity is conducted through a solution with an ionic compound dissolved in it.
  
• Hand out: CPS Lecture 2008.03.28 Properties of Ionic Compounds.
• Start discussing how covalent bonding works.

Homework:

• Do 2006 MCAS study questions, as many as possible, but at least #1-26.

Videos (from RPS class):
These videos are the RPS presentation, so not exactly what we covered today, but the concepts will end up being the same.

• Covalent Bonding, Part 1
• Covalent Bonding, Part 2
• Covalent Bonding, Part 3

RPS Retest Quiz 11.1, MCAS review, and Time to work on HW

In Class:

• Retest RPS Quiz 11.1: Static Electricity (optional)
• Time to work on RPS HW 11.3: Series Circuits
• Time to work on 2006 MCAS study questions (available online through MA DOE site).

Homework:

• Finish RPS HW 11.3: Series Circuits. Due Fri 5/30/2008
• Do questions #1 through 26 in 2006 version of MCAS study questions. Due Fri 5/30/2008.

No videos today.

CPS MCAS review

In Class:

• Start MCAS review. Use the 2007 release questions to review.
• Go outdoors to investigate waves in the real world.

HPS Binary Ionic Compounds Containing Transition Metals

In Class:

• Pass back and review HPS Test 10.2: Electricity. These are the retests that were taken last Friday. The grades earned on these tests replaced any prior test grade on the electricity unit.
• Binary Ionic Compounds containing transition metal ions. We covered formula writing and naming such compounds.

Homework:

• Finish 2007 MCAS practice exam questions (through question #45). Due Thu 5/29/2008.
• HPS HW 11.4: Transition Metal Ionic Compounds. Due Thu 5/29/2008.

Videos (from RPS class, earlier this year. Similar content.)

• Transition Metal Ionic Compounds

RPS Series Circuits and Ohm's Law

In Class: Reminder: retest quiz on static electricity tomorrow, Thu 5/29/2008

• Review MCAS questions that were assigned yesterday.
• Voltage, current, and resistance in series circuits.
• Ohm's law in series circuits.
• Lecture notes available:
• RPS Notes 11.3: VIR in Series Circuits
• RPS Notes 11.4: Ohms Law
  

Homework:

• Finish 2007 MCAS practice exam questions (questions 27-45). Due Thu 5/29/2008.
• Study for retest quiz on Static electricity (will be given in class tomorrow).

No videos today.

CPS Finish back work

In Class:

• Time to finish bookwork from yesterday and any other prior assignments that are not yet done. Some students have some missing assignments, so this is a chance for them to get those organized and handed in.

HPS Formulas for and Naming Binary Ionic Compounds

In Class:

• Writing chemical formulas for binary ionic compounds.
• Naming binary ionic compounds.
• Hand out 2007 MCAS study questions and formula chart.
• This is available from Mass DOE here.

Homework:

• HPS HW 11.3: Binary Ionic Compounds. Due 5/28/2008.
• Due date on version handed out in class is incorrect. The correct due date has been made to the version posted online.
  
• Do as many questions as possible in MCAS review packet for tomorrow.

Videos (from RPS class; material is identical):

• (Sorry, no video on writing chemical formulas of binary ionic compounds)
  
• Naming Binary Ionic Compounds

RPS Continue Building Circuits Exercise

In Class: Retest of Quiz 11.1: Static Electricity announced for Thu 5/29/2008

• Review Quiz 11.1: Static Electricity
• Hand out MCAS review packet (2007 version of MCAS questions and formula sheet), discuss any differences between what was presented in class and what appears on formula sheet (there are very few).
  
• This is available through the Mass. DOE here.
• Continue working in groups on RPS HW 11.2: Building Circuits Activity.

Homework:

• Do questions #1-26 in 2007 MCAS test questions packet. Students may skip #3, 7, and 21 for now, as we have not yet covered that material in class.

No videos today.

CPS Bookwork (chapter 18)

In Class:

• Read parts of chapter 18 in textbook: pp. 498-501; pp. 505-512
• Do chapter review questions on p. 524, #'s: 1, 2, 4, 6, 9, 11, 15 16, 18, 19

HPS Test 10.1: Electricity Retest

In Class:

• Take HPS Test 10.1: Electricity. This is the retest; the grades earned on this test will replace the previous test grades.

No Homework. (Enjoy the weekend!)

No videos.

RPS Build Circuits

In Class:

• Work in small groups to build circuits using RPS HW 11.2: Building Circuits Activity. This was a hands-on type of activity.

No homework. (Enjoy the long weekend!)

No videos today.

CPS Start Wave Interference

In Class:

• Start with some demos and discussion of wave interference.
  
• Lots of playing with a slinky to see it in action.
  
• Also show demo of wave interference using Java Applet from New Taiwan Normal University (link available under "Useful Online Resources --> Tutorials, References, and other Useful Links" on this web site... see right panels.)

HPS Finish Circuits Lab and (Re)Test Review

In Class:

• Discuss Electricity retest:
• The grades on this version will replace the prior grades entirely.
• The test is being given in two parts:
• a take-home portion (given today in class) that consists of 3 questions (written response).
• Once the take-home portion is started, students may refer only to their previously constructed index card of notes for reference. Once the take-home portion is completed (no time limit, but estimated time to complete should be less than 20 minutes), students may study further for the second part of the test, but may not make changes to their answers on the take-home portion.
• an in-class portion that will be given tomorrow in class (time limited to class period).
• Hand out test review document, HPS Notes 10.1: Electricity Test Review.
• Work on HPS Lab 10.1: Circuits. Today, we worked on the parallel circuits part (finished lab)

Homework:

• Study for test!
• Complete HPS Lab 10.1: Circuits.

No videos today.

RPS Voltage

In Class:

• Voltage lecture.
• In-class activity: build a simple circuit and measure voltages across the parts of the circuit. (Use a multi-meter as a voltmeter.)

No homework.

No videos today (Sorry, I forgot to record the lecture).

CPS Time to finish Wave Frequency, Period, and Velocity Notes

In Class:

• Time to work on (and finish) CPS Notes: Wave Frequency, Period, and Velocity. Students self-c0rrect practice problems against answer key.

HPS Lab 10.1: Circuits

In Class:
Please read: The test scheduled for tomorrow will be partially postponed. In order to ensure that students complete the test prior to the long weekend, the test may be broken up into a take-home portion and an in-class portion. The take-home portion would be given tomorrow (Thursday) and would be due Friday, and the in-class portion would be done in class on Friday.

• Work on HPS Lab 10.1: Circuits. We did not finish (we completed the series circuit information, but did not finish the parallel circuit portion.

Homework:

• Prepare for the second half of lab by reading the lab.

No videos today.

RPS Electric Resistance

In Class:

• Electric Resistance lecture
• Activity: use multi-meters to measure resistance of simple circuit devices
  

No homework.

Videos (1 video):

Resistance

CPS Frequency, Period, and Velocity of Waves

In Class:

• Start work on CPS Lecture: Wave Frequency, Period, and Velocity.

HPS More Circuits Review

In Class:

• Review HPS HW 10.5: Circuits Revisited.
• Thank you to the students who discovered typos and small errors in the assignment. I will fix them shortly.

No homework.

No videos.

RPS Quiz 11.1: Static Electricity

In Class:

• Some time to review RPS HW 11.1: Static Electricity (handed back, graded) and to do last-minute review for quiz.
• RPS Quiz 11.1: Static Electricity. 30 minute time limit on quiz.

No homework.

No videos today.

CPS Waves Introduction Demos/Discussion

In Class:

• Demos and discussions on the basic properties and types of waves. Use slinky and springs to demonstrate various types (mechanical vs. electromagnetic) and styles (transverse vs. longitudinal) waves.

HPS Circuits, Revisited

In Class: Announced retest on Electricity for Thu 5/22/2008
Progress reports went out, but will be regenerated after the retest on electricity.

• Review HPS Test 10: Electricity.
• Side-by-side comparison of voltage, total current, and total resistance in series and parallel circuits.

Homework:

• HPS HW 10.5: Circuits Revisited

No videos today.

RPS Electric Current

In Class: Reminder of tomorrow's quiz on static electricity.

• Electric Current.
• Lecture notes will be available here soon.

Homework:

• Study for quiz.

No videos today. (Sorry, I forgot to record the lecture.)

CPS Start Unit 9: Waves and Sound

In Class: Progress reports handed out.

• Start working on CPS Lecture: Waves Introduction.

HPS Crystalline Structure

In Class:

• Review homeworks that are due today.
• Continue discussion on crystalline lattice structures (ionic compound structures):
• Students build small models using Play Doh.
• Students view crystalline solids (Sodium Chloride and Potassium Chloride) through microscopes.
  

No Homework today.

No videos today.

RPS Review Coulomb' Law and Static Electricity

In Class: Quiz announced for Tue 5/20/2008

• Work in small groups on RPS HW 11.1: Static Electricity.
• Mr. Y (and student assistants in C and G periods) go around room and help students better understand concepts.
• No lecture notes today.
  

Homework:

• Due date for RPS HW 11.1: Static Electricity pushed back to Mon 5/19/2008.

No videos today.

CPS Complete Test 8: Nuclear Chemistry

In Class:

• Time to review and add to notes cards for continuation of test.
• Complete CPS Test 8: Nuclear Chemistry.

HPS Ionic Bonding (Start)

In Class:

• Start ionic bonding:
• What chemical bonds are, and specifically what ionic bonds are; how ionic bonds form.
• We need to continue with ideas of what ionic compounds are (structure) tomorrow.

Homework:

• HPS HW 11.1: Ernest Rutherford Research Paper. Due Fri 5/16/2008
• RPS version of Periodic Table homework. Due Fri 5/16/2008 (Due date on document was for the RPS class, when they did this material earlier this year.)
• RPS version of Ion Formation homework. Due Fri 5/16/2008 (Due date on document was for the RPS class, when they did this material earlier this year.)

No videos today.

RPS Coulomb's Law

In Class:

• Review/Demo creating static charge by induction and by conduction (C and E periods only. G period students were able to do this more successfully yesterday already.)
• Hand out RPS Notes 11.2: Coulomb's Law. Time in class to work on this as Mr. Y asks individual questions.

Homework:

• Finish RPS Notes 11.2: Coulomb's Law if not completed in class. Due 5/16/2008
• RPS HW 11.1: Static Electricity. Due Fri 5/16/2008

No videos today.

CPS Test 8: Nuclear Chemistry

In Class:

• A little time to study/review for test.
• CPS Test 8: Nuclear Chemistry. This test is a bit more challenging than previous tests. Time will be given tomorrow to finish the tests.

HPS Lewis Dot Diagrams and Ion Formation

In Class:

• Hand out HPS Notes 11.1 Lewis Dot Diagrams. These are lecture notes.
• Hand out HPS Notes 11.1a Lewis Dot Diagrams. This is a fill-in worksheet for students to practice drawing Lewis Dot Diagrams of the first 20 elements.
• Ion Formation lecture.

Homework:

• HPS HW 11.2: Average Atomic Masses. Due Thu 5/15/2008
• Students should also be working on HPS HW 11.1: Ernest Rutherford Research Paper. Due Fri 5/16/2008

Videos:

• No videos from this class. However, here are the videos from the RPS class covering similar material:
  
• Ion Formation
• Flourine Ion Formation
• Beryllium Ion Formation
• Noble Gases and Ions

RPS Static Electricity Activities

In Class:
Rather than lecture at different paces for all classes, I synchronized them all by doing the following:

• Hand out RPS Notes 11.1 4 Ways to Create Static Charge. This is a packet of notes containing the majority of the information that would have been presented in lecture and demo anyway. For videos showing demos being done, please see the 5/12/2008 posting for links to videos. Students are responsible for all the material presented in this packet, even if this is not covered in lecture.
  
• Set up stations around the room where students do various activities. The activities are:
• Create static charge by polarization
• charge a plastic spoon by friction
• charge confetti pieces by polarization
  
• Create static charge by conduction
• charge a plastic spoon by friction
• charge an electroscope by conduction
• Create static charge by induction
• charge a plastic spoon by friction
• charge an electroscope by induction
  
• Build an electroscope
• Materials available: paper clips, aluminum foil, masking tape, paper cups, scissors.
• Instructions on how to build or test the electroscope were not provided (they had to be inferred from the notes on how an electroscope behaves).

Homework:

• Read, study, and complete all questions in RPS Notes 11.1 4 Ways to Create Static Charge. Due 5/15/2008
• Return progress reports (signed). All students, regardless of progress report grades, should get progress reports signed and returned. Due 5/15/2008

No videos today.

• For videos, please see 5/12/2008 RPS posting for links to videos of the material as it was presented to the honors physical science class earlier.

CPS Test Review/Practice Test Day

In Class: Test announced for Thu 5/15/2008

• Time to study for tomorrow's test on Nuclear Chemistry.
• Students have time to work on CPS Practice Test 8: Nuclear Chemistry

HPS Isotopes and Average Atomic Mass

In Class:

• Isotopes of elements
• Calculating Average Atomic masses of elements.

No homework.

No videos today.

RPS G: Static Electricity, 1 method for Creating Electric Charge

In Class:

• Static Electricity Introduction
• Creating Electric Charge by Friction.

No homework.

Videos (See 5/12/2008 RPS posting).

RPS E: Static Electricity and 1 way to Create Static Charge

In Class:

• Static Electricity Introduction.
• Creating Electric charge by friction.
• How an electroscope works.
• Started, but did not finish Creating Electric Charge by conduction.

No homework.

Videos (See 5/12/2008 RPS posting)

RPS C: Static Electricity and 2 ways to Create Static Electric Charge

In Class:

• This class viewed the largest amount of material from yesterday's planned videos.
• Review what static electric charge is.
• How the electroscope works.
• Creating static charge by friction.
• Creating static charge by conduction.

No homework.

Videos (see 5/12/2008 RPS posting)

RPS Out of Sync: Please Read

Yesterday's plans to have students view recorded lectures in class failed due to technical difficulties. The result is that my three RPS classes covered differing amounts of material and are now all out of phase with each other.

I will attempt to get the classes back on track together, but this may take several days.

Please see the videos (links posted in yesterday's posting) to see what we are going to do for the next couple days.

CPS Radioactive Dating

In Class: Test announced for Thu 5/15/2008

• Mr. Yamashita explains CPS Lecture 2008.05.12 Radioactive Dating notes.

HPS Start Unit 11: Chemistry

In Class: Mr. Yamashita left school partway through class, not feeling well.

• Time to finish HPS Test 10: Electricity for those who need it.
• Start working on notes packet on atomic structure. This is actually three lectures that were presented to my conceptual physical science class earlier this year.
• CPS Lecture Atomic Structure I
• CPS Lecture Atomic Structure II
• CPS Lecture Nuclide Symbols
• Handed out periodic tables for notebooks. Don't lose these: you'll need them.

Homework:

• Color periodic table using color pattern for metal, non-metal, and metalloid found on p. 286 of textbook or inside the back cover of the textbook.
• Finish the notes packet (see above) if not completed in class.
• Start working on HPS HW 11.1: Ernest Rutherford Research Paper

No videos today.

RPS Start Static Electricity

In Class: Mr. Yamashita out sick today.

• Watch video lectures of material that I would have lectured on anyway. The lectures are from the honors class, but cover the same material that I would have presented to this class.
  
• Static Electricity I
• Incandescence
• Static Electricity II
  
• Creating Electric Charge Intro
• Creating Electric Charge by Friction
• Creating Electric Charge by Conduction
• Creating Electric Charge by Induction
• Creating Electric Charge by Polarization

Homework:

• Read pp. 591-599

Videos (see above).

CPS Radioactive Dating

In Class: Mr. Yamashita out today (sick)

• Students to start working on CPS Lecture: Radioactive Dating.

HPS Test 10: Electricity

In Class:

• Start HPS Test 10: Electricity.
  
• This is a long test, so student who need extra time to complete it will be allowed to do so Monday. The first 10 minutes or so of class on Monday will be used to finish the test.

No homework.

No videos today.

RPS Test 10: EM Radiation, Light, and Color

In Class:

• Take RPS Test 10: EM Radiation, Light, and Color.

No homework.

No videos today.

CPS Half Life Lab

In Class:

• Do CPS Lab 8.1: Half Life.

HPS Test Review

In Class:

• HPS Notes 10.1 Electricity Test Review.
• Version with answers available later this evening (by 5pm, I hope)

Homework:

• Study for tomorrow's test.

No videos today.

RPS Test Review

In Class:

• Review textbook homework that was due today. Answers are available here.
• RPS Notes 10.2: Test Study Guide and index cards distributed.
• Time to study for test.
  

Homework:

• Study for tomorrow's test.

No videos today.

CPS Half Life worksheet

In Class:

• Time to work on CPS HW 8.2: Half Life Problems.

HPS HW Review, and Batteries in Series and Parallel

In Class: Test Announced for Friday 5/9/2008

• Some pointers on how to draw circuit diagrams and review of circuit diagrams included in HPS HW 10.4: Parallel Circuits.
• Batteries in series and parallel.

No homework.

No Videos.

RPS Interesting Problems Involving Refraction

In Class: Reminder: Test Friday 5/9/2008

• C Period only: finish lecture on polarization of light (see video in yesterday's posting).
• All classes: class exercise: students work in groups or independently to try to come up with a complete explanation for either:
• When looking at a pencil or straw partially immersed in a round water glass, the pencil appears crooked. If the pencil is in the right side of the glass, the part under the water is farther to the right than it really is; if to the left of the glass, the part under the water is farther to the left than it really is, and if it is in the middle of the glass, it appears where you expect it to be.
• When looking at the corner of a square or rectangular container of water at an object in the water in the tank (such as a fish in a fish tank), it is possible to see two images of the object: one on each glass face of the the tank leading to the corner you are looking at.

Homework:

• From textbook: p. 554 Checking concepts questions #1-10, 12, 14, 16, 18, and 19. Due Thu 5/8/2008.

No videos today.

CPS Half Life Lecture

In Class:

• Work on CPS Lecture: Half Life

HPS Electric Power

In Class:

• Peer-correct HPS HW 10.2: Ohm's Law. I figured there was a significant value in having the students peer-grade the work since it would force them to review the information critically.
• Electric Power

Homework:

• HPS HW 10.4: Parallel Circuits. Due Wed 5/7/2008 (Document header says it is due Tue 5/6/2008, but is actually due Wed 5/7/2008.)
  

No videos today.

RPS Polarization of Light

In Class: Test announced for Friday 5/9/2008

• Refraction demo with lenses and lasers.
• Polarization of light, along with demo.
• Lecture notes available here.
  

No homework.

Videos (4 videos):

Demo: Refraction of Light


Lecture: Polarization of Light


Demo: Polarization of Light using Polarizing filter


Lecture: Polarization of Light using Reflection (Glare)

CPS Quiz 8.1: Radioactive Decay

In Class:

• Some time to study, and then take CPS Quiz 8.1: Radioactive Decay.

HPS Parallel Circuits

In Class:

• Parallel Circuits

No homework

Videos (1 video):

Parallel Circuits

RPS Object/Light Interactions

In Class:

• Object/Light interactions:
• Absorption
• Reflection
• Refraction

No homework.

Videos (2 videos):

Light Absorption and Reflection


Light Refraction

CPS Gamma Decay

In Class: Quiz announced for Tue 5/6/2008

• Do CPS Lecture: Gamma Decay.
• Quiz announced for tomorrow. Quiz will cover radioactive decay (alpha, beta, and gamma).

HPS Building Circuits

In Class: Mr. Yamashita out today (field trip to MA State Science Fair at MIT)

• Time to work on HPS HW 10.3: Series Circuits.

Homework:

• Finish HPS HW 10.3: Series Circuits. Due Mon 5/5/2008.

No videos today.

Mr. Yamashita with Nobel Prize Laureate, Dr. Dudley Herschbach, at the Massachusetts State Science and Engineering Fair at MIT. Dr. Herschbach is also a chemistry professor at Harvard University, and addressed all the science fair participants in the opening ceremony prior to the judging portion of the fair.

More information about Dr. Herschbach.

CPS Time to work on HW

In Class: Mr. Yamashita out today (field trip)

• Time to continue working on Radioactive Decay work that we've been working on all week.

RPS Worksheet on Color

In Class: Mr. Yamashita out today (field trip)

• Time to work on RPS HW 10.3: Colors.

Homework:

• Finish RPS HW 10.3: Colors, due Mon 5/5/2008.

No Videos today.

HPS Series Circuits, continued

In Class:

• Voltage Drop and Kirshhoff's Law in series circuits.

Homework:

• Read pp. 608-617 in textbook.

Videos (1 video):

Krischhoff's Law of total voltage drop.

RPS Pigments (Subtractive Color Mixing)

In Class:

• Pigments (Subtractive Color Mixing) presentation, demo, and practice problems.
• Lecture notes available here.
  

Homework:

• Read pp. 536-541 in textbook.

Videos (2 videos):

Pigments and Subtractive Color Mixing


Practice problems with pigments and color mixing

CPS Writing Nuclear Decay Equations

In Class:

• Work on CPS Lecture: Writing Nuclear Equations
• When complete with above notes, start working on CPS HW 8.1: Radioactive Decay.