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 Sixth grade Science students blogging from the Pacific Northwest in Chimacum, WA! Mr. G's Blog Mr. G's Science Facebook Page
 by teacher: Alfonso Gonzalez
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Summer!!! :) 06/18/12
Last challenge!! 05/15/12
Friction. 05/14/12
Week 8 blog challenge!! 05/04/12
Blab! 04/27/12
Elastic Force and Gravity 04/24/12
Dream job 04/18/12
Engery 04/11/12
What is a battery? 03/22/12
Batteries 03/12/12
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 My Hometown 03/12/12 My and Kyleighs Slide Show 03/02/12 Conclusion Blog About Water Quality 02/28/12 Tree planting 2012 01/27/12 Spawner 01/23/12 Smolt 01/12/12 Parr 01/10/12 Adult salmon 01/06/12 Fry 01/04/12 Alevin 01/04/12 Salmon eggs 01/03/12 Chimacum creek VS. Yellow jacket creek 11/07/11 macros 11/03/11 11/02/11 Macros 11/02/11 Water pollution 10/11/11 Mt saint Helens 09/30/11 Seven random facts 09/30/11

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 69 • Return to Blog List