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WorksheetsWatershed and Weathering Erosion Deposition
Total questions: 39
Worksheet time: 30mins
Name
Class
Date
1.
Which of the following statements is correct about watershed?
a)
It is a body of water that flows into creeks, rivers, bays, or seas/oceans.
b)
It’s a large container of water that collects rainfall and snowmelt and channel it to creeks, rivers, and eventually to bays/oceans.
c)
It's an area of land that contains a common set of creeks and rivers that all drain into a single larger body of water, such as rivers, lakes/bays, or an ocean.
d)
It is a body of water like creeks, rivers, bays that gives home to aquatic animals.
2.
What is an example of chemical weathering
a)
Water freezing on cracked mountain side and breaking it open
b)
River current carrying sediment and placing them at the mouth of the river.
c)
Acid rain dissolving parts of limestone(Pitting)
d)
Rockslides
3.
These rocks were broken apart from the continuous freeze/thaw of water in the cracks of the rocks. This is an example of:
a)
ice wedging
b)
acid rain
c)
permeability
d)
abrasion
4.
Deposition changes the Earth’s surface because eroded materials _____.
a)
stop the river's flow
b)
make rich farmlands
c)
are dropped in new places
d)
move very slowly
5.
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.
6.
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.
7.
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
8.
This photo is an example of
a)
River mouth
b)
Delta
c)
Meander
9.
Which of these landforms was made by deposition?
a)
River mouth
b)
Delta
c)
Meander
d)
Canyon
10.
This is a picture of:
a)
sea arch
b)
delta
c)
floodplain
d)
alluvial fan
11.
This is a picture of:
a)
sea arch
b)
delta
c)
floodplain
d)
alluvial fan
12.
A delta forms from
a)
erosion
b)
deposition
13.
An area that collects precipitation (rainfall) into streams and rivers and drains the water to the lowest point is called this.
a)
aquifer
b)
divide
c)
water table
d)
watershed
14.
There are many different watersheds in the state of Texas. The boundaries of a watershed are determined by
a)
number of people in the region
b)
the number of rivers
c)
height of the land
d)
type of weathering
15.
There are many different watersheds in the state of Texas. The boundaries of a watershed are determined by
a)
number of people in the region
b)
the number of rivers
c)
height of the land
d)
type of weathering
16.
A __________ is where sediments often build up at the mouth of a river, where it enters a larger body of water.
a)
delta
b)
estuary
c)
wetland
d)
topography
17.
T/F - Planting trees or grass can reduce the amount of sediment erosion in a watershed.
a)
True
b)
False
18.
Able to allow water to pass through
a)
Impermeable
b)
Runoff
c)
Pores
d)
Permeable
19.
Most water pollution is the result of __________________.
a)
natural processes
b)
animal waste
c)
human activities
d)
acid rain
20.
Surface runoff in a watershed that empties into the Mississippi river has become polluted by sewage and fertilizers.
Which of the following environments might become polluted as a result?
I.surface water downstream of the watershed
II. land environments along the banks of the river
III. environments upstream
IV. the groundwater in the area
Which of the following environments might become polluted as a result?
I.surface water downstream of the watershed
II. land environments along the banks of the river
III. environments upstream
IV. the groundwater in the area
a)
I only
b)
III only
c)
I, II, and IV
d)
I and II only
21.
The name of the area that is the upper level of the zone of saturation:
a)
Zone of Saturation
b)
Zone of Aeration
c)
Water Table
22.
What is the water that fills the cracks and spaces in underground soil and rock layers called?
a)
Groundwater
b)
Water Table
c)
Precipitation
d)
Snow
23.
Precipitation that does not soak into the ground is called this.
a)
aquifer
b)
erosion
c)
surface water
d)
water table
24.
What is an area of higher elevation that separates watersheds?
a)
Estuary
b)
Divide
c)
Wetland
d)
Transition zones
25.
The illustration provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the most likely source for this pollution?
a)
City 1 and City 2
b)
City 2 and City 3
c)
City 1 only
d)
City 2 only
26.
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
27.
A beautiful display of bluebonnets bloomed along the bank of the river, but after the storm last night, the flowers and a large section of the soil in which they grew is gone.
a)
Weathering
b)
Erosion
c)
Deposition
28.
What type of weathering is it when acid rain breaks down and changes the rock?
a)
chemical weathering
b)
physical weathering
c)
erosion
29.
Muddy water is filled with sediments being carried away by a fast-moving river. Sediments cause problems for both biotic and abiotic factors of the river. Which is NOT a problem caused by sediments?
a)
Solid sediments evaporate from the river
b)
Sediments damage fish gills
c)
Sediments clog the streams
d)
Sediments block sunlight from reaching the plants in the water
30.
Is this an example of mechanical or chemical weathering?
a)
Mechanical weathering
b)
Chemical weathering
c)
It is deposition not weathering
d)
It is erosion not weathering
31.
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
32.
Plants prevent soil erosion by-
a)
holding dirt in place with their roots
b)
providing food for herbivores
c)
the process of photosynthesis
d)
releasing water into the atmosphere through transpiration
33.
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.
34.
Heavy rains in the mountains of a watershed will cause which of the following
a)
Increased erosion
b)
An increase in the volume of groundwater/aquifer
c)
Increase in the volume of surface water
d)
All of the above
35.
How are groundwater and surface water related?
I. Pollution in surface water can seep into the groundwater
II. Surface water seeps through permeable rocks to become groundwater
III. Ground water and surface water are separated by a layer of rock called the water table
I. Pollution in surface water can seep into the groundwater
II. Surface water seeps through permeable rocks to become groundwater
III. Ground water and surface water are separated by a layer of rock called the water table
a)
I only
b)
II only
c)
I and II
d)
I, II and III
36.
Some ecoregions of Texas experience frequent droughts during the hot summer months. A drought would have which effect on the water table?
a)
The water table would disappear
b)
The water table would rise
c)
The water table remain the same
d)
The water would fall
37.
Pedro was creating a Venn diagram to compare an alluvial fan and a delta. Which statement would he place in the center?
a)
Sediments are deposited by water when it slows down
b)
Formed at the base of mountains (dry land)
c)
Formed at the base of rivers when they reach bays, oceans or large lakes
d)
Alluvial fans and deltas have nothing in common.
38.
Water moving over the surface of the earth is the major agent of erosion. A desert ecoregion does not receive much rain so you could predict that region would have
a)
more soil erosion
b)
less soil erosion
c)
the same amount of soil erosion as any other region of the state
d)
many trees
39.
When is the test?
a)
I'll bring a pencil for the test tomorrow
b)
Thursday
c)
April 19
d)
all of the above
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