November 21, 2014

Staff DirectoryCohen    
 Mr. Cohen: Homework & General Info ("Class Files" below) Minimize
6th and 8th: Lab #8, 7 is due on Friday,11/21

Lab #7 (#8-6th), "Sublimation and Dry Ice" is due on Friday, 11/21. 

If you were absent, you may download the form, under "Class Files" (or click), Edit Lab: Investigation into Sublimation and Dry Ice , buy some Dry Ice at a local store and do the lab at home. I get "Dry Ice" at Albertsons in Thousand Oaks.  I don't know if the local Albertsons carries it or not.  I've been told that Ralphs and Smart and Final carries it.

No "Extra Research" is needed

Last day for a late grade:  Friday, 12/05

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Download & Print "Test Guidelines: Physical Changes"

Test Guidelines - Physical Changes

We are beginning a new unit, "Physical Changes".  Make sure you download and print the guidelines for the test at the beginning of the unit, so you could check it off and study as we go.

The Guidelines Physical Changes are located in "Class Files" (to the middle right of this page).  The file is called  Edit Test Guidelines "Physical Changes" (or click this link).  A more interactive guide for download was made by a student, Edit Test Guidelines: "Physical Changes" a Student's Version (or click this link) is located above the normal "Test Guidelines".  This is one of the four major tests of the year!!!


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Lab #8, "Expansion & Contraction of Solids & Gases" due TBD
Lab #8, "Expansion and Contraction of Solids and Gases",  will be due on TBD
NO "Extra Research" is required.
  However, if you want to look up a few more applications of Charles' Law, the coefficient of linear or cubical (volume) expansion in industry, buildings, engineering and design, etc., you can help your grade on the lab!
Or, just a general extension of the unit: "frozen smoke" (a gel that is the lightest solid.... 99.8% air),
or the "Bose-Einstein Condensate", sometimes referred to as the "fifth state of matter"!!
Note: The 'conclusion" for this lab is merely the 2nd worksheet I passed out for the lab.  It says. "Expansion and contraction...." in the upper left-hand corner. 

Last day to turn in this lab for a late grade will be Tuesday, Monday, 12-02 (11 days due to Thanksgiving) read more ...

"Thermal Transfer" Worksheet TBD
The "Thermal Transfer" worksheet should be completed.  Several students completed this worksheet at school, but, if you didn't, complete it at home.  Most of the answers should be in your spiral notebook. read more ...

Daylight Savings Time


Move clocks one hour ahead (Spring Forward) Saturday night, March 8th, before you go to sleep (official time is 2 am Sunday morning).

Move clocks  BACK one hour ("Fall Backward") Saturday night, November 1st, before you go to sleep (official time is 2 am, Sunday morning, November 2nd).

In 2014, Daylight Saving Time begins on Sunday, March 9th and ends on Sunday,  November 2nd

Daylight Saving Time begins each year at 2 a.m. on the second Sunday of March ("Spring Forward") and ends the first Sunday in November ("Fall Backward").

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6th Grade: Lab#5 Land Biomes and Ocean Zones due Wednesday, October 29th
The 6th grade is currently studying about ecosystems, producers & consumers, food webs, and biomes.
They are currently working on a project of their own choosing.  Each lab group was assigned one of their top three choices.  For example, one group might choose the "Taiga biome".  The students are researching the animals and plants that are interdependent in that biome.  They will report on it through a
PowerPoint  presentation and a one-page report.

The students will have handouts describing the exact requirements of the project. 
Also, you may download the guidelines on the lower right-hand side of this page, under: "Class Files"
6th Grade Biome Powerpoint Project Guidelines
The students will start the presentations on Friday, October 31st
The students must be prepared with notecards
The 1-2 page typed report (12 pt. font) is due at the beginning of their presentation.
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8th grade: Lab #6, "Densities of Solids" due Wednesday, Oct. 29th
Lab #6, Density of Solids":
This lab will be worth two lab grades!

Tuesday : Complete "Lab Form" in class; prep for lab

Wednesday: Measure the MASS of all objects

Thursday:Finish measuring mass, then complete volume.

Homework Thursday night: Calculate the densities of all objects

Friday:  Re-check masses of all objects on digital balance.  Make Bar Graphs on the density of all objects (9-11 objects, depending on class)

Monday:  Complete Bar graphs; start on worksheet; use back side of Periodic Chart (handout #3) to match densities of "mystery metals".

Monday & Tuesday:  Re-check measurements if there are any problems, work on lab worksheet

Monday & Tuesday nights:  Extra Research: Students can complete "Extra Research" on Density.  Some ideas might include: 
*Applications of Density (engineering and density, race cars and chassis race weights, medical and radiation shielding, separation of oils and fuels in refineries, heavy metal boring and drilling, etc.) 
*Buoyancy and boats
*The relationship of gravity to density as a fundamental force of change
*Hot Air Balloons
*Density and convection in the atmosphere-relationship to wind (as one cause), indirect relationship to tornadoes
*Density, convection, and the circulation of minerals and food in the ocean
*Layering of planets and stars
*Density of Black Holes
*Density on galactic levels
*Thermal convection (and density changes in Earth, oceans, atmosphere, stars), etc.

Wednesday, October 29th: Lab #6 is due!

Last day for a late grade: November 5th

The order of the lab:

1. Cover sheet (optional)

2.  Lab form (procedure, materials, etc.)

3.  Table

4.  Bar Graph (items A-D)

5.  Bar Graph (items E-I)

6.  Bar Graph (honors; open to everyone; items J & K)

7.  Conclusion (1-5; worksheet; if question #5 is on separate page, place after worksheet)

8.  Extra Research- to be eligible for "A" or "B"

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8th grade: TEST on "Standards of Measurement", Thursday, October 30th
 A major test on Standards of Measurement, Metrics, and Density will be on Thursday, October 30th!! The students have the guidelines in their notes.  If you wish to download these same guidelines, look to the right of this page under "Class Files", or click the following link: Test Guidelines: Standards of Measurement, Metrics, & Density

Study every night!



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Make Flashcards
This is a YEARLONG assignment. 

Students should make "Flashcards" from their notes.  This is a great educational strategy.  Using flashcards will keep the student up-to-date, reinforce difficult concepts, prepare them for tests, and, MOST IMPORTANTLY will give them a good educational foundation in Science!  Put a question on one side of a 3" x 5" index card and the   answer on the other side                                                                                                                  

The students should be able to make a minimum of five flashcards per night. 


The students will be checked periodically for flashcards.  They will get some extra credit for making them.




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8th gr. Lab #3, "Problem-solving in Science" due TBD
8th grade: Friday- Lab #3, "Problem-solving in Science" will be due on Monday, 9/22
This is a very easy lab which consists of two worksheets that focuses on the Scientific Method.  These will be completed in class on Wednesday and Thursday.  The students will work with their lab partner on both worksheets.  Both worksheets will be due together on Friday.
This lab will not follow the usual lab form.

Last day for a late grade: 9-29-14




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 Cyber-Science Links Minimize

Dear Parents and Students- 

Please note the section called "Class Files".  The “Class Rules and Expectations” along with “How to Write A Science Lab” are updated copies that you (student) received at the beginning of the year.  You should find them in your Science notebook/"handout" section.  

Also, students, if you need any extra copies of some of the lab forms (“Table” and “Graph” worksheet forms), you may print these out for your use. 

Lastly, for your reference, whether you want to check up on Tornado or Hurricane Scales, to find out whether the North American tectonic plate really does stretch around and includes part of northern Japan, or keeping up-to-date in astronomy, technology, marine biology, or any of the other sciences check out some of the website links below.  Go to Mars, zoom in on Olympus Mons, get updates about the rovers, Spirit and Opportunity,……… or, maybe you want to take a virtual submarine tour of the Gulf Reefs!

CyberScience Web Links State Test Science Preparation – Released questions by the State!  School Discovery. - Stay up-to-date with Meteor Showers throughout the year  Exploratorium  Popular Science  Science Magazine  Science News Online  Scientific American  Franklin Institute Health and Science Powers of 10  Saffir-Simpson Hurricane Scale  Fujita Tornado Scale Major Tectonic Plates of the World  Brain Boosters  Puzzlemaker  NASA Space Place for Kids  Mars 3-D images  Red Nova Science Magazine  Mars Rovers homepage  FEMA Disaster Page & Preparation for Kids   Astronomy Calendar  Abrams Planetarium   Astronomical Society of the Pacific  Discover Quaoar  NASA Headlines MK24 NASA Mars  Mars Global Surveyor  NASA Home  Observing Solar Eclipses   Planetary Data System   NASA Solar System Exploration Page    Space News    Olympus Mons Zoom Viewer  Marine Biological Laboratory  Reefs of the Gulf A Submarine Grand Tour  National Ice Center (NOAA & Naval)  Moorpark Weather  The Weather Channel  California State Science Fair "The Elements" song Flash Animation by Tom Lehrer NASA Eclipse (Solar and Lunar)Home Page View the Periodic Chart; click on an element, find it's structure, melting point, uses, etc.  You will need this for "Extra Research" on a lab.Content...

 Class Files Minimize
3 Ring Binder Notebook CoverDownload
6th Grade Biome Powerpoint Project GuidelinesDownload
8th Grade StandardsDownload
Balancing Chemical Equations #1 BACK SIDEDownload
Balancing Chemical Equations #1 FRONT SIDEDownload
Balancing Chemical Equations #2Download
Calif. State Released Questions ScienceDownload
Chemical Elements (Extra Research)Download
Chemistry is Pun (PDF)Download
Class Materials - required every day Download
Class RulesDownload
Common Metric UnitsDownload
Common Scientific EquipmentDownload
Curriculum OverviewDownload
Earthquake PreparednessDownload
Handout #1 Heat & PressureDownload
Handout #2 Kinetic-Molecular TheoryDownload
How to Write a Science LabDownload
Hurricane Scale: Saffir-SimpsonDownload
Interpreting Chemical FormulasDownload
Lab: Density of SolidsDownload
Lab: Expansion & Contraction of Solids and GasesDownload
Lab: Investigation into Sublimation and Dry IceDownload
Lab: Mars in 3-DDownload
Lab: Metric Conversions and Density of WaterDownload
Lab: Oobleck Extra Research IdeasDownload
Lab: Oobleck Lab FormDownload
Lab: Oobleck RecipeDownload
Lab: Oobleck Worksheet (Results & Conclusion)Download
Latin Names for ElementsDownload
Line & Bar Graph form (adjust margins top & bottom 0.8"; left 0.3")Download
Meteor ShowersDownload
Meteor Showers 2014Download
Meteor Showers 2014-2015Download
Oxidation Numbers & RulesDownload
Periodic Chart (Back Side)Download
Periodic Chart (Front Side)Download
Periodic Chart- Reading the ElementsDownload
Physical & Chemical Signatures People Hunt Download
Quantum NumbersDownload
Safety Rules & ContractDownload
Scientific Notation (PDF)Download
Table Form 2 ColumnsDownload
Table Form 3 ColumnsDownload
Table Form 4 ColumnsDownload
Table Form 5 ColumnsDownload
Tectonic Plates of World USGSDownload
Test Astronomy Quiz GuidelinesDownload
Test Guidelines "Astronomy"Download
Test Guidelines "Carbon Chemistry"Download
Test Guidelines "Chemistry"Download
Test Guidelines "Chemistry" A Student's version (good!)Download
Test Guidelines "Physical Changes"Download
Test Guidelines: "Physical Changes" a Student's VersionDownload
Test Guidelines: Forces and MotionDownload
Test Guidelines: Standards of Measurement, Metrics, & DensityDownload
Test/Quiz Guidelines "Carbon/Living Chemistry"Download
Tornado Scale Fujita-Pearson (non-enhanced; w/F6)Download

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