Earth Science 11:  Today I collected the "Layers of the Atmosphere" assignment, including the graph. We wrote notes together on what makes different parts of the atmosphere different temperatures.  We read pg 455-460 and completed a worksheet (click here to see the WS) on this topic.  We spent the second half watching a National Geographic documentary on the Atmosphere.   Click here to watch the video.


Tuesday, Sept 12

Science 10:  Today we marked # 1-6 from the hand-out on energy from Monday.  We did a lab that showed how Surface area to volume ratio decreased as cubes increased in size.  This explains why cells only reach their very tiny proportions, then the become inefficient and start division.  This lab is not due Thursday.
 

Lab Discussion Questions

1.  How much greater is Medium's length than the small  cube?  How much greater is Medium's volume than small's?  Is the ratio of Surface Area to Volume also greater for Medium cube?

2.  Compare Large and Medium cube in the same way as you did  in number 1.  Is the surface-to-volume ratio increasing or decreasing as the cube becomes larger?

3.  Write a general statement about the effects of surface-to-volume ratio as a cube becomes larger.

Earth Science:  Complete the layers of the earth assignment, including the graph of Temperature vs Altitude.  Today we did a lab on Relative Humidity, which we all measured to be about 65%.

Science 8:  Today we marked pg 31 # 1,2,4-6 together, to see how we mark work together.  We did a lab where we made wet mounts, dry mounts.  This is not due, and we will finish it on Thursday.