WorksheetsWeathering, Erosion, and Deposition
Total questions: 60
Worksheet time: 41mins
Name
Class
Date
1.
When wind picks up sediment it is called
a)
Deflation
b)
Plucking
2.
How does freezing water cause the weathering of rocks? The freezing water—
a)
keeps the rocks in place
b)
makes the rocks last longer
c)
expands cracks and breaks rocks
d)
causes rocks to fall in landslides
3.
The process that breaks down rocks and other materials on Earth's surface is called
a)
weathering
b)
erosion
c)
soil conservation
d)
decomposition
4.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
5.
Which type of climate will have faster chemical weathering?
a)
Hot and Wet
b)
Cold and Dry
c)
Hot and Cold
d)
Cold and Wet
6.
What are the two factors that affect the rate at which weathering occurs?
a)
climate and mass of rock
b)
climate and size of rock
c)
type of rock and size of rock
d)
type of rock and climate
7.
This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
8.
How might a weathered mountain appear different than an unweathered mountain?
a)
Weathered mountain would be taller.
b)
Weathered mountain would be rounder and less jagged.
c)
Weathered mountain would be more jagged and less rounded.
d)
Weathered mountain would have no trees.
9.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
10.
A metal statue slowly turning green after years of being outside is an example of:
a)
mechanical weathering
b)
chemical weathering
11.
Which of the following is an example of chemical weathering?
a)
Acid rain dissolving limestone
b)
roots breaking into concrete
c)
paper being ripped
d)
Water running over rocks
12.
All of the following are causes of physical weathering except...
a)
plant growth
b)
wind
c)
acid rain
d)
running water
13.
Lichens (small green plants) growing on a large boulder release enzymes and other acids that slowly break the rock apart. This is an example of:
a)
mechanical weathering
b)
chemical weathering
14.
Exposure to rain and oxygen causes the metal minerals in rocks to rust and fall apart. This is an example of:
a)
mechanical weathering
b)
chemical weathering
15.
The formation of stalactites and stalagmites in a cave as water mixed with carbon dioxide creates carbonic acid, which dissolves away the limestone, is an example of:
a)
mechanical weathering
b)
chemical weathering
16.
A piece of sandstone changing color (from brown to rusty red) from exposure to water and air is an example of:
a)
mechanical weathering
b)
chemical weathering
17.
Rocks along a riverbed that are smoothed from continuously moving water and sediment rubbing against them is an example of:
a)
mechanical weathering
b)
chemical weathering
18.
Potholes forming in the road after a cold winter is an example of:
a)
mechanical weathering
b)
chemical weathering
19.
Sarah does the investigation described below using a model to study how rivers erode earth materials.
· She pours 600 mL of sand onto a plate.
· She pours 150 mL of water onto the pile of sand.
· She measures how much of the sand washes off the edge of the plate.
· She notices that less sand washes off the plate when she pours water slowly than when she pours it faster.
How is the model similar to real rivers eroding earth materials?
· She pours 600 mL of sand onto a plate.
· She pours 150 mL of water onto the pile of sand.
· She measures how much of the sand washes off the edge of the plate.
· She notices that less sand washes off the plate when she pours water slowly than when she pours it faster.
How is the model similar to real rivers eroding earth materials?
a)
The model shows that faster-moving
water makes sand stick to the bottom of a river.
b)
The model shows that slower-moving
water makes sand float to the top of a river.
c)
The model shows that slower-moving water
erodes less earth materials than faster-moving water.
d)
The model shows that faster-moving
water erodes less earth materials than slower-moving water.
20.
Select the answer that shows the order of events a rock goes through.
a)
erosion, weathering, deposition
b)
weathering, erosion, deposition
c)
deposition, weathering erosion
d)
erosion, deposition, weathering
21.
What is the process that picks up and moves weathered rocks?
a)
deposition
b)
landslide
c)
weathering
d)
erosion
22.
How are canyons formed?
a)
Wind blows sand into high piles, which form the canyon walls.
b)
Rivers erode soil and rock over time, leaving behind canyon walls.
c)
Gravity causes rocks to fall from mountain sides onto valley floors.
d)
Ice freezes and thaws in cracks of rocks, and the cracks become canyons.
23.
A cliff formed near the ocean. Which statement best describes how this cliff formed?
a)
Warm air melted the rock.
b)
Sun rays evaporated the rock.
c)
Ocean waves washed away rock.
d)
Plant roots pushed away the rock.
24.
Weathering causes rocks and minerals to break into smaller pieces. Which event is the best example of weathering?
a)
a raindrop splashing in a lake
b)
a snowball rolling down a mountain
c)
a tree root growing into the crack of a rock
25.
Over long periods of time, deposition may change the Earth’s surface by _____.
a)
forming new land features
b)
breaking down large rocks into smaller ones
c)
washing away beaches
d)
severely draining topsoil
26.
Which of these landforms is the result of the constructive activities of a volcano?
a)
A
b)
B
c)
C
d)
D
27.
What has the greatest erosion effect on our beaches?
a)
waves
b)
gravity
c)
glaciers
d)
wind
28.
What triggers mudslides?
a)
ice
b)
rain
c)
wind
d)
temperature
29.
What is responsible for the formation of sand dunes?
a)
Wind
b)
Water
c)
Gravity
d)
Ice
30.
What force is responsible for erosion and deposition in landslides?
a)
gravity
b)
ice
c)
wind
d)
temperature
31.
What is an enormous mass of ice moving over land?
a)
Ice wedging
b)
Glacier
c)
Iceberg
d)
Dune
32.
How is mechanical weathering different from chemical weathering?
a)
Chemical weathering happens over much shorter time frame than mechanical weathering.
b)
Chemical weathering changes the chemical composition of rocks; mechanical weathering does not.
c)
Chemical weathering occurs only in tropical climates; mechanical weathering occurs only in cool climates.
d)
Chemical weathering occurs only in the mountains; mechanical weathering occurs only on flat land.
33.
These rocks were made smooth by wind blowing smaller rock particles across their surface. This is an example of:
a)
ice wedging
b)
chemical weathering
c)
acid rain
d)
abrasion
34.
During what season would you expect mass movements to be a greater threat?
a)
a dry summer with drought
b)
a wet spring with little vegitation
c)
a dry autumn after the leaves turn
d)
a wet summer with lots of vegetation
35.
The process responsible for moving material downslope under the influence of gravity is called
a)
erosion
b)
weathering
c)
mass movement
d)
soil formation
36.
Can animals cause mechanical weathering?
a)
yes, because animals burrow
b)
no, animals can't cause weathering
c)
no, only ice can cause mechanical weathering
d)
yes, animals eat their way through the sedement
37.
During chemical weathering, what can happen to the type of rock that has undergone chemical weathering?
a)
a new rock is produced that is larger than the original rock
b)
a new rock is produced that is the same as the original rock
c)
a new rock is produced that is different from the original rock
d)
no new rock is created - it is just smaller in size
38.
Which of these is an example of erosion
a)
Light Shinning onto a mountain
b)
Rain breaking down rock
c)
Wind blowing away sediment
d)
All of the above
39.
Layers of sediment forming at the bottom of the ocean floor
a)
Weathering
b)
Erosion
c)
Deposition
40.
What happens when weathering and erosion work together?
a)
New Mountains are created
b)
The climate changes overnight
c)
Metal objects become rusty
d)
They change the Earth's surface
41.
What is sediment?
a)
the process of rocks being broken down and carried away
b)
bits of rock, sand, and silt caused by the weathering of rocks
c)
the top layer of the soil
d)
decaying plant or animal material
42.
Big chunks of land falling down a curved slope all at once would be an example of
a)
Slump
b)
Creep
c)
Rockfall
d)
Lahar
43.
What is the slowest type of mass movement?
a)
a slump
b)
a rockfall
c)
an earthflow
d)
creep
44.
What factor commonly triggers mass movements?
a)
saturation of surface materials with water
b)
earthquakes
c)
removal of vegetation
d)
all of the above
45.
Which of the following actions causes the deposition of sand at a delta?
a)
river water slowing as it enters the ocean
b)
salt water & fresh water mixing together
c)
ocean waves transporting sand toward land
d)
ocean water slowing as it reaches the coast
46.
Which of the following best describes how erosion by groundwater might create a landform?
a)
Acidic water dissolves rock to form a cave
b)
Stream slowly wears away rock and soil
c)
Waves crashing against a shoreline
d)
Sediment building up to form a delta
47.
Sediment deposited as fast-flowing river reaches a flatter area of land is
a)
river dleta
b)
floodplain
c)
alluvial fan
d)
oxbow lake
48.
What would be expected to remove the most sand from a barrier island during a storm?
a)
waves depositing debris on a island
b)
currents moving sand along the island
c)
large waves crashing across the island
d)
strong winds blowing across the island
49.
What causes a valley to form first?
a)
earthquake
b)
running water
c)
landslide
d)
erosion by wind
50.
What would a beach look like that has been affected by storms and rough waves?
a)
there's a sea stack
b)
the beach is rocky
c)
there were sandbars
d)
the beach was sandy
51.
How does a sinkhole form?
a)
Stalactites erode a ceiling of a cave
b)
Streams in mountains erode sediment
c)
Underground water forms a cave
d)
Stream erodes soil making it wider
52.
What forms as wind slows?
a)
mudflows
b)
rockfalls
c)
dunes
d)
glaciers
53.
Which type of sediment will be dropped first as the wind slows?
a)
biggest
b)
smallest
c)
heaviest
d)
lightest
54.
What are examples of mass movement?
a)
Landslides and mudflows
b)
Slumps
c)
Creeps
d)
All of these
55.
When a large amount of dirt and rock move downhill, this is known as a
a)
mudflow
b)
landslide
c)
creep
d)
lahar
56.
When a glacier moves across land it picks up rocks. This process is called
a)
abrasion
b)
plucking
c)
landslide
d)
creep
57.
The best method to prevent erosion is to
a)
remove all trees
b)
build homes
c)
grow plants
d)
mine
58.
When sediment gets carried by longshore drift, when the water slows down, what deposit will form?
a)
Delta
b)
Alluvial Fan
c)
Beach
d)
Spit
59.
Which of the following is not a deposit created by glaciers
a)
Till
b)
Moraine
c)
Alluvial fan
60.
What happens to lighter sediments that are carried by the wind?
a)
They deposit into a delta
b)
They deposit into a sand dune
c)
They deposit into loess
d)
They deposit into till
100 %
