WorksheetsWeathering, Erosion, and Deposition
Total questions: 56
Worksheet time: 1hrs 5mins
Name
Class
Date
1.
The picture shows a large rock breaking apart. Which of these is MOST likely making the rock break apart?
a)
hot sunlight
b)
plant roots
c)
falling leaves
d)
running water
2.
Weathering is the breaking down of rock into ___________.
a)
boulders
b)
mountains
c)
sediment
d)
ice
3.
_________is the movement of sediment from one place to another.
a)
Erosion
b)
Weathering
c)
Deposition
d)
All of the above
4.
The dropping off of sediments in a new place is called __________.
a)
departing
b)
deposition
c)
erosion
d)
weathering
5.
Which of the following is NOT a cause of weathering, erosion, and deposition?
a)
fire
b)
water
c)
wind
d)
ice
6.
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
7.
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
8.
Glaciers dropping rock and sand to form moraines is an example of...
a)
weathering
b)
erosion
c)
deposition
9.
When wind, water, or ice deposit materials in a location, this is known as:
a)
Weathering
b)
Erosion
c)
Deposition
d)
Transportation
10.
Muddy water being carried away by a fast-moving river is an example of...
a)
Weathering
b)
Erosion
c)
Deposition
11.
Rain washing away soil from a hillside is an example of...
a)
Weathering
b)
Erosion
c)
Deposition
12.
What is an enormous mass of ice moving over land?
a)
glacier
b)
iceberg
c)
ice wedging
d)
dune
13.
The process of breaking up, wearing away, and dissolving of rocks on Earth's surface is called...
a)
sediment
b)
erosion
c)
weathering
d)
deposition
14.
What type of weathering is it when acid rain breaks down and changes the rock?
a)
chemical weathering
b)
physical weathering
c)
erosion
15.
Ice wedging will
a)
wear down rocks as they bounce together
b)
break up rocks when the water in cracks freezes and thaws
c)
peel away loosened material from the surface of rocks.
16.
How do plants weather rocks?
a)
when the leaves dissolve the rocks
b)
when roots grow into cracks of rocks and expand the rock
c)
when the plant moves water from the roots to the leaves
17.
Sand settles on the beach after waves dropped it there. This is an example of...
a)
Weathering
b)
Erosion
c)
Deposition
d)
Dragging
18.
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is called -
a)
erosion
b)
cracking and peeling
c)
abrasion
d)
ice wedging
19.
What kind of weathering causes the mineral composition of rocks to change?
a)
mechanical weathering
b)
permeable weathering
c)
chemical weathering
d)
physical weathering
20.
A rock containing iron becomes soft and crumbly and reddish-brown in color. It probably has been chemically weathered by -
a)
abrasion
b)
carbon dioxide
c)
oxygen
d)
acid rain
21.
All of the following are causes of physical weathering except...
a)
plant growth
b)
wind
c)
acid rain
d)
running water
22.
What happens when glaciers slowly move down a mountain?
a)
the glaciers melt and refreeze
b)
the glaciers cause erosion by taking sediment and moving it somewhere else
c)
the glaciers melt and form giant lakes
d)
nothing happens
23.
The process by which small pieces of rocks and soil are carried away to new locations is called...
a)
deposition
b)
erosion
c)
weathering
d)
faults
24.
The process of breaking up rocks on Earth's surface is called...
a)
sediment
b)
erosion
c)
weathering
d)
deposition
25.
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
26.
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.
27.
What is an enormous mass of ice moving over land?
a)
glacier
b)
iceberg
c)
ice wedging
d)
dune
28.
Sand settles on the beach after waves dropped it there. This is an example of...
a)
Weathering
b)
Erosion
c)
Deposition
d)
Dragging
29.
Wind erosion forms what type of landform?
a)
mountain
b)
sand dune
c)
canyon
d)
valley
30.
What is one way to slow down the process of erosion?
a)
stop the rain
b)
plow up the soil
c)
dig holes down in the soil
d)
plant grass or bushes
31.
How will sediments deposit in a river?
a)
large sediments drop last
b)
tiny sediments drop first
c)
no sediments will drop
d)
large sediments will drop first followed by smaller, finer particles
32.
What kind of valley would be made if a glacier had carved out the valley?
a)
u-shaped valley
b)
v-shaped valley
c)
w-shaped valley
d)
y-shaped valley
33.
Soil is a mixture of __________.
a)
decayed organic matter and oxygen
b)
weathered rock and water
c)
mineral fragments
d)
all answers are correct
34.
Farmers prefer to plant crops in soil that is rich in nutrients. Which of these soil types would MOST LIKELYcontain the most nutrients?
a)
soil that has many large rock particles in it
b)
soil that allows water to drain very easily through it
c)
soil with a bedrock that is very close to the surface
d)
soil with a lot of decomposed organic material in it
35.
Rust is produced by the combination of
a)
iron and water
b)
tin and oxygen
c)
iron and oxygen
d)
tin and water
36.
This landform was probably caused by —
a)
high tides
b)
wind
c)
human activity
d)
running water
37.
Soils have four basic components. What important soil component is a by-product of the action of decomposers like bacteria and fungus?
a)
silt
b)
humus
c)
minerals
d)
air space
38.
Decayed organic material turns into a dark, nutrient rich material called?
a)
clay
b)
litter
c)
soil
d)
humus
39.
Organic matter in soil is made from
a)
weathered parent rock
b)
decayed plants and animals
c)
acid rain
d)
carbon dioxide
40.
Over time, this rocky cliff will become many smaller rocks and eventually sand particles. This is due to which process?
a)
erosion
b)
deposition
c)
weathering
d)
evaporization
41.
Which of the following is composed of weathered rocks and decomposed organic material from dead plants and animals?
a)
igneous rocks
b)
soil
c)
volcanoes
d)
mantle
42.
. Why are plant roots important to prevent erosion?
a)
Plant roots anchor the soil in place.
b)
Plant roots take up space, leaving very little soil present to erode.
c)
Plant roots build a barrier, preventing wind or rain from reaching soil.
d)
Plant roots absorb the water that would otherwise wash away soil.
43.
If you drop a sugar cube into a glass of water, the sugar cube will dissolve after a few minutes. This process is an example of
a)
chemical weathering
b)
differential weathering
c)
mechanical weathering
d)
infiltration
44.
Which sediment has the smallest grain size?
a)
clay
b)
gravel
c)
sand
d)
silt
45.
Humus, silt, clay, and sand are all parts of
a)
soil
b)
fungi
c)
rocks
d)
plants
46.
How does abrasion occur?
a)
Wind-blown sediments strike a surface.
b)
Wind blows large chunks of rock off a surface.
c)
Sediment is blown off a surface by the wind.
d)
Sediments break off a rock on their own.
47.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
48.
What type of soil has large particles and can't hold water good?
a)
Sandy
b)
Peaty
c)
Silty
d)
Clay
49.
Which type of soil can hold a lot of water?
a)
Silty
b)
Sandy
c)
Peaty
d)
Clay
50.
The top layer of soil is called _________
a)
topsoil
b)
bedrock
c)
sand
d)
clay
51.
Silt has the a grain size smaller than sand.
a)
True
b)
False
52.
The three main types of soil listed in order from smallest to largest grain size are clay, sand, and silt
a)
True
b)
False
53.
Soil is made of
a)
Weathered rock
b)
decomposed plants and animals
c)
air and water
d)
all of the above
54.
The texture of soil depends mainly on
a)
the types of plants that grow in the soil.
b)
the size of the particles in the soil.
c)
the color of the soil.
d)
the number of worms in the soil.
55.
Which type of soil can hold the greatest amount of water?
a)
Sand, because it has the biggest particles.
b)
Silt, because its particles are smaller than sand.
c)
Clay, because its particles are very small.
d)
Loam, because it is a combination of different types of soil.
56.
Many plants cannot grow in sandy soil. Why is this true?
a)
Sandy soil does not hold enough water.
b)
Oxygen cannot pass through sandy soil.
c)
Roots cannot easily push through clay soil.
d)
Sandy soil has too many nutrients.
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