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WorksheetsWeather and Soil
Total questions: 40
Worksheet time: 40mins
Name
Class
Date
1.
Process in which something is worn down by rubbing one object or surface against another
a)
exfoliation
b)
abrasion
c)
tumbling
d)
rotation
2.
Carbon dioxide dissolving in water to make weak acid is what example of chemical weathering?
a)
water
b)
lichens
c)
oxidation
d)
carbonation
3.
The more surface area of a rock is exposed, the more chemical weathering can occur.
a)
True
b)
False
4.
Which of the following is NOT one of the three types of soil?
a)
clay
b)
sand
c)
silt
d)
mud
5.
Which of the following is the most important soil formation factor
a)
Time
b)
Climate
c)
Slope
d)
Organisms
6.
The process that breaks down rocks and other materials on Earth's surface is called
a)
weathering
b)
erosion
c)
soil conservation
d)
decomposition
7.
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
8.
The diagrams shows a rock with water trapped in the cracks during the day and at night.
Which statement best explains why this process results in weathering?
Which statement best explains why this process results in weathering?
a)
frozen water acts as a solute
b)
water expands when it freezes
c)
the mass of water increases when it freezes
d)
frozen water dissolves most types of rock
9.
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
10.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
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.
Lichens 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
c)
photosynthesis
d)
osmosis
13.
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)
oxidation.
c)
erosion.
d)
a sinkhole.
14.
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.
c)
sinkholes.
d)
physical weathering.
15.
A cliff formed near the ocean.
Which statement best describes how this cliff formed?
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.
16.
A metal statue slowly turning green after years of being outside is an example of:
a)
mechanical weathering
b)
chemical weathering
17.
This type of weathering is caused by the constant melting & freezing of water...
a)
Abrasion
b)
Ice Wedging
c)
Acid Rain
d)
Oxidation
18.
Which agents break down earth materials?
a)
wind only
b)
earthquakes
c)
ice and 007
d)
wind, water, ice and gravity
19.
Chemical weathering does not change the mineral composition of the weathered rock.
a)
True
b)
False
20.
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
21.
The organic material in soil is
a)
humus.
b)
bedrock.
c)
fertilizer.
d)
feldspar.
22.
The process by which minerals in soil are removed or washed away is called
a)
carbonation.
b)
leaching.
c)
fertilizing.
d)
hydrolysis.
23.
A soil with a fine, sticky texture would likely contain a lot of
a)
sand.
b)
clay.
c)
nutrients.
d)
humus.
24.
Granite has only recently been exposed at a location on Earth's surface. How will this most likely affect the soil that will eventually form at this location?
a)
The soil will have a thick layer of humus in the A horizon.
b)
The soil will contain many of the same minerals as the granite has.
c)
The soil will consist of thin horizons compared to other types of soils.
d)
the soil will be made of mostly rock material instead of organic matter.
25.
The A soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
26.
The B soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
27.
The C soil horizon contains
a)
humus
b)
leached materials and little to no humus
c)
partially weathered parent rock
28.
Plants and animals are bad for soil.
a)
true
b)
false
29.
What is the first step of soil formation?
a)
humus decomposing
b)
nitrates being absorbed by the plant roots
c)
weathering of parent rock
d)
climate changing
30.
Which layer is the bottom of the soil profile?
a)
C - Parent Material
b)
D - Separated rock
c)
C - Melted Rock
d)
A - Topsoil
31.
Layers of soil are also known as:
a)
Soil Profiles
b)
Soil Horizons
c)
Soil sheets
d)
Soil cores
32.
What is the layer of soil that contains humus, leaf litter, and other organic matter?
a)
O - Organic
b)
A - Topsoil
c)
B - Subsoil
d)
R - Bedrock
33.
Name the soil horizon: R Horizon
a)
organic layer
b)
bedrock
c)
parent material
d)
subsoil
34.
Soil formation begins with the weathering of
a)
litter.
b)
bedrock.
c)
the A horizon.
d)
humus.
35.
Which of the following is mostly responsible for preventing soil erosion?
a)
weathering
b)
farming
c)
the presence of plants
d)
the removal of trees
36.
Helps prevent erosion from heavy rains on smaller hills.
a)
terracing
b)
no-till farming
c)
cover crop
d)
contour plowing
37.
This farming technique helps prevent erosion from heavy rains on steep hills.
a)
contour plowing
b)
no-till farming
c)
cover crop
d)
terracing
38.
What is the method of planting different crops from year-to-year to prevent nutrient depletion?
a)
crop rotation
b)
cover crop
c)
terracing
d)
contour plowing
39.
Soil will pack down over time which decreases the ability of the soil to hold water.
Which animals would best help the soil hold water?
Which animals would best help the soil hold water?
a)
earthworms making tunnels under the surface
b)
cattle making depressions with their hooves
c)
horses making trenches when they gallop
d)
sheep pulling up plants by their roots
40.
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.
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