Mechanical Weathering
Authored by Dan Griggs
Science
7th Grade
NGSS covered
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Occurs when rock is physically crushed, split open, or ground into smaller pieces that eventually become soil.
Mechanical weathering
Chemical weathering
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heating rock expands. Cooling rock contracts. The resulting crack looks like frost wedging, but occurs much more slowly. This form of weathering can cause large sections of rock to fall from cliffs.
anaimal activity
water abrasion
thermal expansion
wind abrasion
Tags
NGSS.MS-ESS2-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An erosional process caused by the grinding action of a glacier on a rock
Glacial abrasion
wind abrasion
gravity abrasion
thermal expansion
Tags
NGSS.MS-ESS2-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The splitting of rock caused by the expansion of freezing water in cracks.
frost wedging
animal activity
gravity abrasion
salt wedging
Tags
NGSS.MS-ESS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Removes outer layers of rock in sheets when internal pressure is slowly released. The pressure release is caused by the uncovering of rock that was once deeply buried.
thermal expansion
water abrasion
exfoliation
glacial abrasion
Tags
NGSS.MS-ESS2-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salt from seawater that crystallizes in the pores or cracks of rocks. The pressure created from this can be enough to break a rock apart.
salt wedging
water abrasion
exfoliation
glacial abrasion
Tags
NGSS.MS-ESS2-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Roots break up the surrounding rocks by growing into a small cracks in rock, and slowly growing wider within the crack.
anaimal activity
root pry
thermal expansion
wind abrasion
Tags
NGSS.MS-ESS2-2
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