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 Weathering Worksheet

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عدد المساهمات: 44
تاريخ التسجيل: 27/10/2012
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مُساهمةموضوع: Weathering Worksheet   الثلاثاء ديسمبر 04, 2012 8:14 am

WEATHERING : ……………………………………………………………………………………
………………………………………………………………………………………………………….
MECHANICAL WEATHERING : ……………………………………………………………
………………………………………………………………………………………………………….
ABRASION: ………………………………………………………………………………………
……………………………………………………………………………………………………….
CHEMICAL WEATHERING : …………………………………………………………….
………………………………………………………………………………………………………..
ACID PRECIPITATION : ……………………………………………………………………
………………………………………………………………………………………………………….
LICHENS: ……………………………………………………………………………………….
……………………………………………………………………………………………………….
OXIDATION : …………………………………………………………………………………
…………………………………………………………………………………………………..


FILL IN BLANK
1-AGENTS OF CHEMICAL WEATHERING INCLUDE ……..,,……….,,…………,,………….,,………… AND EVEN ……………….
2- the alternate freezing and thawing of soil and rock ,called …………………………….,, and is form of ……………………… wathering.
3- …………..,…………., and ………….. cause ……………. Weathering by abrasion .
4- the rock that has been shaped by blowing sand, such rocks are called ……………………….
5- rocks grind against each other nin a rock slide which creates smaller and smaller rock fregmats called ……………..
6- almost animals that burrow cause ………………….. weathering
7- ………..,………….,…………..,……… are just some animals that contribute to weathering .

8- the mixing and digging thatanimals do often contribute to another type of weathering , called ………………… weatjering.
9- common agents of chemical whathering are …………..,…………….. and ……….
10- precipitation is …………………. Acidic.
11- the high level of acidity can cause very rapid ……………… of rock.
12- small amount of ………….. and …………….. acids from natural sources , such as volcanes , can make precepetion ………………….
13- acid precepetation can also caused by air …………………. From the burning of fossil ……………..
14- when these fuels are burned they give off gases including …………….. oxides . ……………….. oxides and ………………. Oxides
15-when the acidity is too high acid precepetation can be …………………. To plants and animals.
16- in certin places grounwater contains ………. , such as ……………….. or ………………. Acids .
17- when groundwater comes in contact with ……………….. a chemical reaction occurs. Over a long period of time the dissolving limestone forms ………….. features.
18- the caverns form frem the eating away of the …………………
((LICHENS CONSIST OF ……………….. AND ……………… LIVING TOGHETER ))
19- …………………. Produce acids that can slowly break down rock.
20 lichens grow on the sides of ……………… or ………………..
21- lichens grow in hard places such as …………… or ………….. areas, and in areas high above …………………. In mountains ranges.
22- oxygen in the air reacts with the iron , causing a ………..
23- …………… speeds up the oxidation process

24- ……………. And ……………. Can cause oxidation.

Answer the questions ??/

1-what are the types of weathering ??
2- what are the agents of mechanical weathering ??
3- how frost action happen ??
4- what can cause abrasion ??
5- what are the forms of abrasion ??
6- how plants help abrasion ??
7- how animals cause abrasion ??
8- name three animals can cause wheathering ??
9- how animals can cause chemical weathering ??
10 what are the agents of chemical wheathering ??
11- how air helps chemical weathering ??
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Weathering Worksheet

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