HPS Series Circuits

In Class:

• Dry cell battery basics and why direction of current flow is defined to be opposite direction of actual electron flow in circuits.
• Circuit diagram symbols.
• Series Circuits.

No homework tonight.

Videos (2 videos):

Current Flow and Circuit Diagram Symbols



Series Circuits

RPS Additive Color Mixing

In Class:

• Review RPS HW 10.2: EM Wave Energy Problems.
• Colors (Additive mixing of light colors) lecture and demo with light box.
• Start on Pigments and subtractive color mixing presentation.
• Lecture notes available here.
  

No Homework.

Videos (3 videos):

Additive Color Mixing, Part 1


Additive Color Mixing, Part 2 (demo)


Pigments (subtractive color mixing)

CPS Beta Decay

In Class:

• Start CPS Lecture: Beta Decay.
• Use Play-Doh as manipulative to explain the process of beta decay. (Worked really well!)
  

HPS Ohm's Law

In Class:

• Resistance and voltage in electric currents.
• Ohm's Law

Homework:

• HPS HW 10.2: Ohm's Law. Due Wed 4/30/2008.
• Read pp. 600 - 606

Videos (2 videos):

Resistance


Voltage and Ohm's Law

RPS Wave Equations Practice Problems

In Class:

• Schedule retests for RPS Quiz 10.1: EM Spectrum. (Except G period, where I forgot to do this, so I'll do this tomorrow.)
• Retest dates: Wed after school, or Wed during one of Mr. Y's non-teaching periods.
  
• Go over RPS Notes 10.1: EM Spectrum Frequencies and Wavelengths.
• Do practice problems. How far into the problems we got was variable by class; no class made it through all four problems.
  
• Answers to practice problems.
• Student lecture notes/practice problems available here.
  

Homework:

• RPS HW 10.2: EM Wave Energy Problems. (Due Wed 4/30/2008.)
  
  

No videos today.

CPS Finish Alpha Decay Notes

In Class:

• Time to finish up CPS Lecture: Radioactive Decay (Alpha Decay)
• Students who were finished early (or yesterday) were given some practice problems to work on and were encouraged to work with/teach peers who were struggling.
  

HPS Electric Current

In Class:

• Electric Current

No homework today.

Videos (1 video):

Electric Current

RPS Wave Energy Equation

In Class:

• Quiz 10.1: EM Spectrum (3 questions, 6 minute time limit)
• Peer-correct quiz
• Wave energy equation and practice problems.
• Lecture notes available here.
  

Homework:

• RPS HW 10.1: EM Spectrum and Math Review. (Due Tue 4/29/2008)

Videos (1 video):

Energy of EM Waves

CPS Alpha Decay Notes

In Class:

• Start CPS Lecture: Radioactive Decay (Alpha Decay)

HPS Fluorescent Bulbs and CRTs

In Class:

• Planned material was how fluorescent lighting and cathode-ray tubes work.
  
• We did not review homework that was due today. Defer handing it in until after the break.

Homework:

• Nothing new, but review HPS HW 10.1: Generating Electric Charge and hand in on Mon 4/28/2008.

No videos today.

CPS Movie: The Battle of Chernobyl

In Class:

• To supplement and give context to nuclear power, show first half of "Battle of Chernobyl" documentary about the 1986 Chernobyl nuclear power plant disaster.

RPS Math with Scientific Notation Numbers Review

In Class: Reminder of Quiz on Monday 4/28/2008

• Review how to do multiplication and division with scientific numbers using a "regular" calculator and a scientific calculator. While this is review, some students needed more reviewing than others.

Homework:

• Study for quiz over break. Quiz on Mon 4/28/2008. The quiz will be very short (about 3 questions), and will have a time limit of approximately 5 minutes. Subject covered: the electromagnetic spectrum (p. 529 of book)
• RPS HW 10.1: EM Spectrum and Math Review. Due Tue 4/29/2008

No videos today.

HPS Coulomb's Law

In Class:

• Review material presented yesterday on how to create electric charge.
• Coulomb's Law presented, practice problems done in class.

Homework (due Fri 4/18/2008):

• HPS HW 10.1: Generating Electric Charge.

Videos (2 videos):

Coulomb's Law


Practice Problems using Coulomb's Law

RPS Start Unit 10: Electromagnetic Radiation

In Class: Quiz on the EM Spectrum announced for Mon 4/28/2008

• Review tests from yesterday.
• Start Unit 10: Electromagnetic Radiation
• Review the EM spectrum
• Start review of numbers using scientific notation.
• Quiz announced for Mon 4/28/2008. This quiz will be a very short quiz on material that was assigned for homework last night (due today).
  
• Lecture notes available here.
  

No homework.

Videos (2 videos):

Electromagnetic Spectrum


EM Waves

CPS Start Unit 8: Nuclear Chemistry

In Class:

• Start working on CPS Lecture: Nuclear Chemistry Introduction. This first lecture is a review of isotopes and an introduction into radioactivity.
• Students who were absent yesterday take CPS Test 7: Chemical Bonding instead of working on notes.

HPS How to Generate an Electric Charge

In Class:

• Lecture and demos: 4 methods for generating an electric charge:
• Charging by friction
• Charging by conduction
• Charging by induction
• Charging by polarization

No homework.

Videos (5 videos):

Introduction to Creating an Electric Charge
(I think I screwed up processing for this video and processed it as widescreen even though it was not shot in widescreen. Sorry.)


Charging by Friction


Charging by Conduction


Charging by Induction


Charging by Polarization

RPS Test 9: Waves and Sound

In Class:

• Take RPS Test 9: Waves and Sound

Homework:

• read pp. 527-535 in textbook
• MEMORIZE electromagnetic spectrum (graphic on p. 529)
• (Hint: this information is very likely to end up on a quiz... soon.)
  

No videos today.

CPS Test Unit 7: Chemical Bonding

In Class:

• Take CPS Test 7: Chemical Bonding.
• Absenteeism was high today. Those who missed the test today will take it tomorrow.
  

HPS Start Unit 10: Electricity

In Class:

• Review HPS Quiz 9.1: Electromagnetic Radiation.
• Static electricity. We did a little aside on incandescence.

Homework:

• Read pp. 591-599 in textbook.

Videos (3 videos):

Static Electricity


Incandescence


Static Electricity, continued

RPS Test Review Day

In Class:

• Test Review day. Time to work on practice tests:
• Unit 9 Practice Test 1 (has answers)
• Unit 9 Practice Test 2 (does not have answers)

Homework:

• Study for test.

No videos today

CPS Practice Test/Test review day

In Class:

• Time to work on CPS Practice Test Unit 7: Chemical Bonding. Students allowed to work in groups and to use notes. Students also given index cards for notes.

HPS Return and Review Science Fair Materials

In Class:

• Return and review (finally) science fair materials (along with grades). Short discussion on scope of projects and how to manage log books for next year.

No homework.

No videos today.

CPS Build Molecular Models

In Class: Test announced for Wed 4/16/2008

• Using molecular models, build all the molecules studied so far.
• Test will cover ionic and covalent bonding.

RPS Begin Test Review

In Class: Test announced for Wed 4/16/2008

• Original plan for covering how Doppler radar abandoned (utter lack of student interest)
• Test will cover Unit 9: Waves and Sound (corresponds roughly to chapter 18 in textbook).
  

Homework:

• start to gather notes, etc. together for test.

No videos today.

RPS Sound Quality (Timbre)

In Class:

• Review RPS Quiz 9.1: Waves and Sound
• Sound Quality (Timbre) lecture.
• In E and G periods, student brought instruments in for demo purposes. (No musicians in C period class... at least none with portable instruments.)
• Lecture notes available here.
  

No homework.

Videos (1 video):

Sound Quality

HPS Quiz 9.1: Electromagnetic Radiation

In Class:

• HPS Quiz 9.1: Electromagnetic Radiation

No homework.

No videos today.

CPS Quiz 7.2: Covalent Bonding

In Class:

• Time to review/study for quiz (about 15 minutes)
• CPS Quiz 7.2: Covalent Bonding

RPS Quiz 9.1: Waves and Sound

In Class:

• Return and review RPS HW 9.3: Wave Interactions and Sound Properties.
• Time to study for quiz.
• RPS Quiz 9.1: Waves and Sound. 25 minute time limit.

Homework:

• If possible, bring musical instruments to class. (We really only need a couple for each class, as we'll be starting our study of timbre next.)

No videos today.

HPS Quiz Review

In Class:

• Quiz Review. We went through all the things that happen (from an EM radiation standpoint) when the sun is shining on a fish in a lake, and someone is standing on the shore, looking at the fish.
  

Homework:

• Study for quiz.

Videos (1 video):

Electromagnetic Radiation Quiz Review

CPS Time to finish Multiple Covalent Bonding

In class: Quiz announced for Fri 4/11/2008 on covalent bonding.

• Time to finish multiple covalent bonding homework.

HPS Ray Diagrams

In Class: Quiz announced for Fri 4/11/2008

• Work through how to draw ray diagrams using HPS Notes 9.1: Ray Diagrams.
• A completed version of the notes is available here.

No homework.

No videos today.

CPS Time to work on Multiple Covalent Bonds HW

In Class:

• Time to work in small groups or with Mr. Y's help on either:
• CPS Lecture: Multiple Covalent Bonds (lecture notes and practice problems) or
  
• CPS HW 7.5: Multiple Covalent Bonds (homework).

RPS Doppler Effect

In Class: Reminder: Quiz tomorrow on Waves and Sound Properties

• Doppler Effect lecture and demos.
• The demo used in the second video (below) is here.
  
• Lecture notes available here.

Homework:

• Study for quiz.

Videos (2 videos):

Doppler Effect white board work


Doppler Effect online Java applet demo

HPS Nature of Light

In Class:

• Peer grading of HPS HW 9.1: EM Waves Research Project.
• Short lecture on how light works:
• Inverse square law of light intensity
• Illumination of objects

Homework (due Wed 4/9/2008):

• Read pp. 558-565; pp. 574-577 (parts on polarized light and lasers).
• Attempt to do some of the ray diagrams in HPS Notes 9.1: Ray Diagrams. We'll go over these tomorrow, now that we better understand the nature of light.

No videos today.

• Sorry, forgot to video the nature of light lecture... would probably have been a good one to record.

RPS Time for homework.

In Class: Quiz announced for Thu 4/10/2008

• Time to work on RPS HW 9.3: Wave Interactions and Sound Properties. This was what we were supposed to do yesterday, but did not.

Homework (due Wed 4/9/2008):

• RPS HW 9.3: Wave Interactions and Sound Properties

No videos today.

CPS Start Notes on Multiple Covalent Bonds

In Class:

• Start working on CPS Lecture: Multiple Covalent Bonds.

HPS Bookwork (Optics background)

The lesson plans for the day (below) were accidentally not delivered to the substitute teacher. Students actually did a short exercise sheet intended for a different exercise earlier in the year that has no bearing on the current material being studied.

In Class: Mr. Yamashita out today.

• Read pp. 558 to 565 and then try to figure out the ray diagrams for convex lenses and concave mirrors. These are the convergent examples in HPS Notes 9.1: Ray Diagrams, distributed and started in class on Friday 4/4/2008.
• Read pp. 574 to 577, the sections on polarized light and lasers.

No homework.

No videos today.

CPS Multiple Covalent Bonds

The lesson plans for the day (below) were accidentally not delivered to the substitute teacher. Students actually did a short exercise sheet intended for a different exercise earlier in the year that has no bearing on the current material being studied.

In Class: Mr. Yamashita out today.

• If not already done, finish CPS HW 7.4: Covalent Bonding.
• Tomorrow (Tue 4/8/2008) is the last day I will accept this assignment (last day of term).
• Start working on CPS Lecture: Multiple Covalent Bonds.

RPS Mr. Yamashita out

The lesson plans for the day (below) were accidentally not delivered to the substitute teacher. Students actually did a short exercise sheet intended for a different exercise earlier in the year that has no bearing on the current material being studied.

In Class: Mr. Yamashita out today.

• Work on RPS HW 9.3: Wave Interactions and Sound Properties.

Homework:

• RPS HW 9.3: Wave Interactions and Sound Properties (Due Tue 4/8/2008)

No videos today.

HPS Ray Diagrams

In Class:

• Lenses demo with laser: seeing how lenses bend light.
• Ray diagrams for lenses and mirrors.
• Start to fill out HPS Notes 9.1: Ray Diagrams.
  
• This didn't go quite as planned, as I assumed that students had been exposed to some light concepts in prior years. Apparently, this is not the case, and I didn't figure that out until later. I will need to "back up" in the presentation of material here.

No Homework.

Videos (1 video):

Bending laser light with lenses

RPS More Properties of Sound

In Class:

• More properties of sound:
• Review sound intensity vs. sound frequency
• Resonance & Natural Frequency
• Reverberation

No Homework.

Videos (3 videos coming soon):

Review of Sound Intensity vs. Sound Frequency


Resonance & Natural Frequency


Reverberation

CPS More time to work on Covalent Bonding HW.

In Class:

• Same as yesterday: time to work on covalent bonding homework and an introduction into double and triple covalent bonding for those students who have completed the assigned work.

RPS Properties of Sound

In Class:

• Properties of sound lecture.
• At the end of the lecture, we discussed "Factors that affect the velocity of sound through a medium." After some discussion, students were charged with writing summaries in their notes themselves, as I did not provide the wording.
• I hope to be able to post several examples from different students in different classes for reference here.

No homework.

Videos (3 Videos):
Sound Intensity


Sound Frequency


Factors Affecting Sound Velocity Through a Medium

HPS Complete Data Collection for Lenses & Mirrors Lab

In Class:

• Complete data collection portion of HPS Lab 9.1: Lenses and Mirrors. Students to pass in data at the end of class.

Homework:

• Bring colored pencils or pens to class tomorrow (need at least two different colors other than the normal pen/pencil color used).

No videos today.

CPS Continue working on Structural Diagrams of Molecules

In Class:

• Mr. Y works with students to better understand how to get structural diagrams to work.
• Time to work on CPS HW 7.4: Covalent Bonding.
• Challenge problems (covalent bonding that requires more than single bonding) given to students who were already done with the above work.

HPS Lab 9.1: Data collection

In Class:

• Collect various assignments that are due today.
• Start HPS Lab 9.1: Lenses and Mirrors Data Collection. This is the data collection portion of the lab, and will continue tomorrow. The Pre-lab (collected today), this data collection, and the data analysis (coming soon) are all part of one big lab on the optics of lenses and mirrors.

No homework.
No videos.

CPS Start working on CPS HW 7.4: Covalent Bonding

In Class:

• Time to finish working independently on
• CPS Lecture: Covalent Bonding
• CPS HW 7.4: Covalent Bonding (there is a typo in this assignment: the assignment number is written as "7.2" when it should actually be "7.4.")

RPS Wave Interaction (Superposition Principle)

In Class:

• Wave interaction (superposition of waves) lecture.
• Mr. Yamashita's lecture slides (overhead slides) available here.

No homework.

Videos (4 videos):

Wave Interference


Constructive Interference


Destructive Interference
(Google is having trouble processing this video. I'll add it as soon as I can.)

Superposition Principle

HPS Prelab 9.1: Lenses and Mirrors

In Class:

• Review HPS HW 9.2: Color. Defer due date to tomorrow.
• Work on Lab 9.1: Lenses and Mirrors Prelab Questions.

Homework (all due Wed 4/2/2008):

• HPS HW 9.1: EM Waves Research Project final drafts.
• HPS HW 9.2: Color
• Lab 9.1: Lenses and Mirrors Prelab Questions

No videos today.

RPS Start Wave Interaction

In Class:

• Review and collect textbook homework from yesterday.
• Review and collect RPS HW 9.1: Waves.
• Start wave interactions lecture.

No Homework.
No videos today.

CPS Work on Covalent Bonding Notes

In Class:

• Mr. Y works with students in a group to get through the concepts covered in CPS Lecture: Covalent Bonding. (pages 1-3. We'll finish up page 4 tomorrow.)