Weathering And Erosion Question Preview (ID: 43710)
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As a river erodes and deposits sediment on its banks, what happens to the river as erosion, deposition continue for a long period of time?
a) a change in the amount of river water
b) an increase in the fish population
c) a change in the path the river takes
d) the banks will flood often
The process of moving sediment from one place to another is
a) weathering
b) erosion
c) deposition
d) compaction
How is a river responsible for shaping a canyon?
a) a river deposits material on its banks which will lead to the formation of a canyon
b) the weight of a river creates a depression in the ground, forming a canyon
c) the placement of dams along a river will lead to the formation of a canyon
d) a river erodes the rock forming a canyon
In cold climates, the action of water breaks rocks into small pieces which helps form soil. What causes the rocks to break?
a) minerals leaching from the rocks
b) the reaction of acidic ice with calcite chemically weathers rock
c) alternate freezing and thawing mechanically weathers rock
d) decomposition due to the action of animals
Weathering breaks down rock chemically and physically. Which of the following is a cause of chemical weathering?
a) tumbling rocks in a river
b) water freezing and thawing
c) acid rain
d) plant roots growing in cracks of rocks
When rocks are broken into small pieces, what happens to these pieces?
a) plants use the pieces for energy
b) animals use them for food
c) they become part of the soil
d) they turn into earthworms
Stone Mountain is one of the largest exposed pieces of granite in the world. Granite is an intrusive igneous deep beneath Earth's surface. How can the exposure of Stone Mountain best be explained?
a) weathering and erosion of Earth's surface exposed the rock
b) Stone Mountain is on a transform boundary and movement caused it to be exposed
c) Chemical weathering of Earth's surface exposed the rock
d) magma reached Earth's surface and hardened into granite.
A picture of a marble statue taken in 1800 when it was first built is compared to a recent photo. The stature looks different today. What best explains why the statue looks different?
a) the statue was exposed to sunlight
b) the statue was exposed to increasing air temperatures over time
c) the statue was in a museum for 95 years
d) the statue was exposed to chemical weathering
A crack in a sidewalk is observed over 3 years. Year 1 the crack was 1.9cm, year 2 was 4.2cm, and year 3 was 6.1cm. How can this data best be explained?
a) rocks fall in the crack during the summer
b) rain falls into the crack in the spring
c) ice forms in the crack during the winter
d) wind blows across the crack in the fall
Chemical weathering differs from mechanical weathering in that...
a) chemical weathering occurs in mountains; mechanical weathering occurs on flat surfaces
b) chemical weathering changes the chemical make-up of materials; mechanical weathering breaks the rock into smaller pieces
c) chemical weathering happens over a much shorter period of time than mechanical weathering
d) chemical weathering happens in the tropics; mechanical weathering happens in more temperate climates
The best statement to describe chemical weathering is
a) Stone mountain breaks apart in large sheets due to rock expansion and erosion called exfoliation
b) running water carves a valley through a mountain range over millions of years
c) wind causes the formation of arches in the rocks at Big South Fork in Tennessee
d) Limestone gravestones in Georgia dissolve in acid rain
When rocks and soil are moved from one place to another it is called
a) weathering
b) deposition
c) erosion
d) compaction
The most probable cause for the formation of a canyon is
a) erupting volcano
b) earthqakes
c) running water
d) high winds
The process of breaking rock into smaller pieces is
a) weathering
b) erosion
c) deposition
d) compaction
The process of laying sediment down is
a) weathering
b) erosion
c) deposition
d) compaction
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