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WorksheetsRocks, Weathering, Erosion, Soil
Total questions: 67
Worksheet time: 48mins
Name
Class
Date
1.
The natural chemical or physical processes that breaks down rock on Earth's surface.
a)
weathering
b)
erosion
c)
deposition
d)
jackhammering
2.
The process by which water, ice, wind or gravity moves weathered rock and soil from one place to another.
a)
weathering
b)
erosion
c)
deposition
d)
dumptruck
3.
This type of weathering occurs when rock is physically broken down into smaller pieces of rock.
a)
mechanical weathering
b)
chemical weathering
c)
erosion weathering
d)
deposition
4.
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
5.
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
6.
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
7.
This rock may chemically weather easily because is has many spaces or holes in it that allow water to seep through it, meaning it is:
a)
permeable
b)
abrasive
c)
erosion
d)
unchangable
8.
These gravestones have slowly broken down and turned a blackish color due to the action of:
a)
ice wedging
b)
abrasion
c)
acid rain
d)
mechanical weathering
9.
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.
10.
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.
11.
Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:
a)
mechanical weathering
b)
chemical weathering
12.
Potholes forming in the road after a cold winter is an example of:
a)
mechanical weathering
b)
chemical weathering
13.
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
14.
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
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.
The formation of large cracks in the face of a mountain from ice wedging is an example of:
a)
mechanical weathering
b)
chemical weathering
17.
Acid rain wearing away the face of a marble gravestone or statue is an example of?
a)
mechanical weathering
b)
chemical weathering
18.
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
19.
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
20.
A rock formed from fragments of other rocks is a(n)
a)
Metamorphic Rock
b)
Sedimentary Rock
c)
Extrusive Rock
d)
Igneous Rock
21.
An igneous rock containing large crystals is most likely a(n)
a)
Chemical Rock
b)
Foliated Rock
c)
Extrusive Rock
d)
Intrusive Rock
22.
A metamorphic rock in which the grains line up in parallel bands is a
a)
Clastic Rock
b)
Nonclastic Rock
c)
Nonfoliated Rock
d)
Foliated Rock
23.
If heat and pressure inside the Earth cause a rock to melt, the material that formed would be
a)
Metamorphic
b)
Magma
c)
Sedimentary
d)
Igneous
24.
You find a rock in which the grains are arranged in parallel bands of white and black crystals. The rock is probably a(n)
a)
Igneous rock
b)
Sedimentary rock
c)
Metamorphic rock
d)
Extrusive rock
25.
As lava cools and crystallizes, what type of rock will form?
a)
Sedimentary
b)
Metamorphic
c)
Extrusive Igneous
d)
Intrusive Igneous
26.
When minerals line up in bands within a metamorphic rock, this rock is...
a)
Nonfoliated
b)
Foliated
c)
Igneous
d)
Sedimentary
27.
The three groups of rocks are classified by
a)
How they form
b)
Color
c)
Grain size
d)
Chemical Composition
28.
Fossils are only found in
a)
Sedimentary rocks
b)
Foliated Metamorphic rocks
c)
Igneous Rocks
d)
Nonfoliated Metamorphic rocks
29.
In order for a metamorphic rock to form, _______ is needed.
a)
Pressure
b)
Heat
c)
Heat and Pressure
d)
Weathering
30.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
31.
This rock was another type of rock that was heated and compressed over time. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
32.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
33.
This rock started as lava that cooled and then was heated and compressed over time. What type of rock is this?
a)
Sedimentar
b)
Igneous
c)
Metamorphic
34.
This rock was formed by lots of fossils that settled on top of each other over time. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
35.
This rock used to be the bottom of an ocean millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
36.
This rock was layers of fossils that were buried, heated, and compressed over millions of years. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
37.
Wind and water have eroded this rock to show the layers of sediment that were laid down millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
38.
After lots of time, pressure, and heat, you get this kind of rock. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
39.
This rock was molten magma that slowly cooled under the ground. What type of rock is this?
a)
Sedimentar
b)
Igneous
c)
Metamorphic
40.
6. When rocks are broken and moved by things such as water, this is called...
a)
Wind
b)
Erosion
c)
Metamorphisis
41.
Process when sediments settle out of wind or water
a)
erosion
b)
deposition
c)
compaction
d)
cementation
42.
Soil formation begins with the weathering of_______.
a)
Humas
b)
Subsoil
c)
Litter
d)
Rock
43.
The layer of soil which the topsoil is found.
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
44.
The MAIN thing Decomposers do for the the soil is the following:
a)
Store moisture
b)
Burrow deep in the soil
c)
Make space for air and water
d)
Break down and digest dead organisms
45.
What effect did over plowing and cutting down trees in the Great Plains during the 1930’s?
a)
It had little effect
b)
It increased soil fertility
c)
It was a primary cause of the Dust Bowl
d)
Farmers had a great harvest
46.
Decayed organic material in soil is called______.
a)
Litter
b)
Silt
c)
Humus
d)
Clay
47.
The two main factors that determine the rate of weathering are the TYPE of rock and_____.
a)
Music
b)
Climate
c)
Size of rock
d)
Weight of rock
48.
Soil conservation includes all of the following EXCEPT_______.
a)
Desertification
b)
Contour plowing
c)
Terracing
d)
Crop rotation
49.
Topsoil which contains the HUMUS is the soil layer best for growing plants.
a)
True
b)
False
50.
Which horizon is made up of partially weathered rocks?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
51.
In which horizon is most of the HUMUS?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
52.
Which horizon contains clay, silt, minerals, and a little humus?
a)
Horizon A
b)
Horizon B
c)
Horizon C
d)
Horizon D or R
53.
There is an unlimited supply of fertile soil.
a)
True
b)
False
54.
Soil's one of the Earth’s most valuable resources. Everything on Earth depends on soil somehow.
a)
True
b)
False
55.
Which of the following is the largest particle in soil?
a)
sand
b)
silt
c)
humus
d)
clay
56.
The diagrams shows a natural process that weathers rock.
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
57.
When wind blows over the land, it picks up the smallest particles of sediment.
a)
True
b)
False
58.
Which agents break down earth materials?
a)
wind only
b)
earthquakes and gravity
c)
ice and 007
d)
wind, water, and ice
59.
What is the relationship between surface area and the rate of weathering?
a)
As surface area increases, the rate of weathering decreases
b)
As surface area increases, the rate of weathering increases
c)
As surface area decreases, the rate of weathering increases
d)
There is no relationship
60.
What are the three soil particles that we use to classify soils?
a)
sand, dirt, and soil
b)
clay, sand, and silt
c)
silt, loam, and sandy loam
d)
clay, salt, and pebbles
61.
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
62.
what kind of gravity erosion is this?
a)
waterslide
b)
landslide
c)
rockslide
d)
gray stuff
63.
what is a slump?
a)
When you slouch or have an arch in your back.
b)
mass wasting that occurs when loose materials or rock layers move down a slope
c)
When rocks slide down a hill
d)
Why cows don't eat hay
64.
How does a landslide start?
a)
why cows have four hearts and chambers
b)
when soil happens to have rocks in it
c)
a type of fat or overweight cat
d)
when the soil under the topsoil collapses
65.
what happens during a creep?
a)
a slow movement of particles down hill that happens to every hill covered with weathered material
b)
a guy that stalks you
c)
a movement against the government
66.
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.
67.
Put the particle in size from smallest to largest
a)
Clay, Sand, Silt
b)
Sand, Silt, Clay
c)
Clay, Silt, Sand
d)
None of these
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