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Monday 4 March 2013

Weathering Lab

In this lab, we explored the process of weathering. Weathering is the breaking down of rocks and minerals by inhering processes. We artificially weathered a jar of marble chips, and thrifty their bargain to observe how much they had broken down. My hypothesis at the beginning of the activity was that the chips were going to rub against each separate and loll around smaller. The materials we used were the marble chips, a pan vestibular sense scale, water, and a peanut butter jar.
Procedures: First, my group put carbon grams of marble chips into the peanut butter jar. We measured it by move it on the scale. It took us about 6 times to get the correct mass of marble chips into the jar. Next, we took it to the sink and put plenteous water just so it was a little twist over the rocks. Next, we took turns shaking the jar of chips. Each time, it had to be shake for 3 minutes. After each 3 minutes, we poured the rocks, without the water, into a transfuse and put it on the scale. We stopped when the rocks had been shaken for 12 minutes total.
Data:
Weathering Time (min)| Mass of shake up Remaining (g)|
0| 100 g|
3| 97 g|
6| 96 g|
9| 95 g|
12| 93 g|


Type of Rock| Mass of Rock Remaining (g)|
Marble| 97.1 g|
Rock Salt| 59 g|
Hard Rock| 97.89 g|

Conclusion Questions
1.

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The mass of the remaining marble chips decreased over time.
2. a) The greatest going of mass from the marble chips happened in 12 minutes.
b) I foundation account for this result because we put the rocks on a equilibrise scale and measured the mass. The mass decreased by 2 grams.
3. If I had continued to shake the rock chips for an hour, I figure they would have become very small and decrease in mass even more.
4. We did non shake rock salt.
5. We did not shake hard rock.
6. We did not do Part B.
7. I inferred that as the rock chips get weathered even more, they go out become just tiny sediment dust that has a very small mass.
8. I inferred that the...If you want to get a full essay, order it on our website: Ordercustompaper.com



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