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 Friday, 30 May 2008
Friday, 30 May 2008 14:14:17 (Pacific Standard Time, UTC-08:00) ( )

Test originally scheduled for today will be rolled into the final exam (because of this, all students will be required to take the final...)

Items which will be part of the 7th grade Notebook Check #6 & items should be complete for class Wednesday:

-Science Calendar #6 (with parent/guardian signature, required number of stamps)
-Bone and Muscle Packet (all but p. 3 done; we did not do that activity)
-Workbook pages from ch. 17 section 2
-Earthworm dissection lab (if absent the day of lab, include a note and I'll verify that it was excused in computer system)
-Digestion Packet (all done)
-Review Packet #2 - went over in class the "required/must do's"
-Rat dissection/alternative assignment
 
Also, for Monday make sure the rat dissection permission slip is signed.

Thank you! 

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 Friday, 23 May 2008
Friday, 23 May 2008 20:13:15 (Pacific Standard Time, UTC-08:00) ( )

With the 7th graders moving closer and closer to the great rat dissection in a few weeks, you might want to do a little research on what will be seen (prior to decision time regarding your participation).  Check out these links...

Virtual dissections (The frog, squid & owl pellet are free as demos.)

Rat dissection (great photos; set up sort of like a Power Point/ KeyNote slide show; higher level descriptions)

Cat dissection (even has diagrams & a quiz to go with it) 

 

Hopefully you find these helpful as you consider participating in the rat dissection.  Have a wonderful 3 day weekend as you celebrate Memorial Day, remember those who have died in service for the United States. 

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 Wednesday, 14 May 2008
Wednesday, 14 May 2008 22:56:00 (Pacific Standard Time, UTC-08:00) ( )

By now you have probably heard about the earthquake in the Sichuan Province of China.  According to the USGS (United States Geological Survey] the magnitude earthquake was 7.9, and I heard on KGO radio news that it lasted for 3 minutes! Last semester we practiced what it would feel like to sit through 20 seconds of shaking during an earthquake; we also had an earthquake drill where we were required to "duck and cover" for approximately a minute.  Can you imagine what 3 minutes of shaking would feel like?  

To put the magnitude & duration of the Earthquake into perspective, the quake we felt on October 30th last semester, had a magnitude of only 5.6 according to the USGS.  I know I was quite rattled after that quake, and that was considered to be fairly short.  Our students were not yet born for the 1989 Loma Prieta Earthquake (which was initially reported as a 7.1 magnitude but was downgraded to a 6.9, lasted between 15 to 20 seconds depending on the resource, although I seem to recall 17 seconds).  Some of you have experienced other earthquakes.  Fortunately none of us were alive for the  Fort Tejon Earthquake in 1857,  which is supposedly the largest quake that we know of occurring in California; according to the USGS, the Fort Tejon quake is rated to be the same magnitude as that of the one which happened in China. 

There is also news of land slides & rockfalls which have occurred as a result of the earthquake.  CNN.com has some video footage of these.  At first when I saw the news footage, I thought of the rain as being a blessing (fresh water, which could be captured for drinking & other uses), then I remembered that the rain would make movement in the area more difficult and that it would cause more issues like the spread of diseases (I do not know if mosquitoes are a problem in the area, but they do breed in standing water).  Then after more research, I came across a blog from Professor Petley, at Durham University, in the United Kingdom, he states that he was able to access data relating to landslides caused by rain in the area which encompasses the epicenter of the earthquake.  In his analysis, based on number of deaths, Professor Petley said that in the past 3 years, this region experienced the most "rainfall induced landslide" deaths between May and October (the time period which has just begun).  You can see some photos he has compiled from various resources.  The Chinese military has a lot of work ahead of them in order to clear the roads; just imagine how many dump trucks would be needed to remove the slide from the highway between Dujiangyan and Wenchuan.  Just think, more rain plus aftershocks in areas with land that is already unstable. 

 

Do some research on one of these topics & share what you find out or write about your thoughts; please keep them school appropriate.  Students- to maintain privacy, use initials and class period only.   This is worth a maximum of 5 bonus points, due by May 22 (you may either post a comment here or submit a paper copy to Mrs. Fischer if the site is being uncooperative/do not have access, do this on or before the due date to receive the credit). 
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 Monday, 05 May 2008
Monday, 05 May 2008 21:29:51 (Pacific Standard Time, UTC-08:00) ( )

http://ceres.ca.gov/geo_area/bioregions/mapindex.html
click on your bioregion, the first link listed on the next page "about the ... bioregion" gives general details.

 

 

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