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 were the awseomeness starts 8th gr - Per 2 We have three 6th grade Science classes and two 8th grade Science classes blogging here from the Pacific Northwest in Chimacum, WA! Sixth graders are learning a bit about Mt Saint Helens, environmental science through fresh water ecology, and physical science this year. Eighth graders are learning about life science this year. Please join us as we learn Science by exploring our world. Mr. G's Blog Mr. G's Class Facebook Page
 by jaymer teacher: Alfonso Gonzalez

Assignments
 12/05 12/05 11/27 11/24 11/24 11/24 11/07 10/17 10/09 09/18 09/06 09/18 09/18 09/18 09/01 09/03

Blog Entries
 11/20 vocabulary 11/7 Food miles. 10/31 living or non-living 10/30 Is it living lab 10/20 my baby 10/9 my Biome project 9/18 REVIEW!!! 9/13 REVIEW!!! 9/9 7 ramdom facts!! 9/6 Psychology 6/8 this is my friend Sydney follow up description later 4/26 the doo doo doo song 4/25 elastic force in the mind of me. 4/7 how r yall? 2/14 VALENTINES DAY 1/30 Tree planting part 2 1/27 thx all you tree planting people part 1 12/3 lets stop 11/30 WHYYYYYY!!!!!!!!???????? 11/4 Passwords 11/4 points and more 11/4 my buggys 10/17 Weekend 10/17 Mr. Walkertons questions 9/30 mt st. helens 9/29 7 random facts List 25, 50, all

The Force of Friction In inquiry 6.1 I learned that different surface types require different forces of friction. For example it takes less friction force to pull a block on waxpaper than on sandpaper.
In inquiry 6.2 I learned that the more weight an object has the more friction force it takes to pull it. For example 1 block of wood will be easier to pull than 2 blocks of wood,
In inquiry 6.3 I learned that different surface areas will take different force of friction. For example a short narrow side is harder to pull than a wide long side.
We measured sliding friction by pulling a block with a spring scale. We used the spring scale to calculate how much friction force it took.
I learned that when constructing an experiment you must only have one manipulated variable and one measured variable. All the other variables are controlled. Otherwise the results of your experiment may vary. For example in our experiment of different surface areas the conrolled variables were the pull distance, the speed, slope, and suface type.

Article posted May 15, 2012 at 09:34 AM • comment • Reads 837 • Return to Blog List