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Dynamic Earth's Surface

Total questions: 60

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
How do plants weather rocks?
a)
during photosynthesis
b)
when roots grow into cracks of rocks and expand the rock
c)
when the plant moves water from the roots to the leaves
d)
Plants don't weather rocks
2.

Deposition does what?

a)

breaks down rock

b)

carries rock pieces away

c)

lays down sediment

d)

builds up landforms

3.

If the temperature on Earth increases, what is likely the result.

a)

there will likely be more evaporation and water vapor in the atmosphere

b)

there will likely be less evaporation and water vapor in the atmosphere

c)

it will not affect Earth

4.

Which landform is shown in the image above?

a)

Glacial Moraine

b)

River Delta

c)

Canyon

d)

Island

5.
When moving water leaves soil behind, it is called
a)
erosion
b)
weathering
c)
corrosion
d)
deposition
6.
Weathering is the natural process of
a)
breaking down rock.
b)
loosening bits of rock from the soil.
c)
moving soil to a different location.
d)
materials settling out of water.
7.
One example of erosion is when
a)
tree roots split apart rock.
b)
soil builds up at the mouth of a river.
c)
water carries soil from a garden to a sidewalk.
d)
moving water makes river rocks smooth.
8.
Which of the following is an example of how wind changes Earth's surface in a desert?
a)
sand ripples in the desert
b)
desert plants clustered together
c)
a pond forming after a storm
d)
fog forming in the desert
9.
Which of the following is an example of tree roots slowing down weathering, erosion, and deposition?
a)
Tree roots break large rocks near a river.
b)
Tree roots hold soil in place near a river.
c)
Tree roots get worn away by river water.
d)
Tree roots grow very quickly near a river.
10.
Wind blasting sand at rock and carving out arches.
a)
weathering
b)
erosion
c)
deposition
11.
A build-up of land called a delta forms at the mouth of a river.
a)
weathering
b)
erosion
c)
deposition
12.

A river starts as a steep channel in the mountains. It then leaves the mountains and enters a flatter area of land. It meanders across a plain and then enters the ocean. Which of the following actions causes the deposition of sand at the delta?

a)

river water slowing as it enters the ocean

b)

salt water and fresh water mixing together

c)

ocean waves transporting sand toward land

d)

ocean water slowing as it reaches the coast

13.

What can cause granite to break down into soil over time?

a)

rain and wind

b)

sand deposition

c)

heat from magma

d)

pressure underground

14.

Which of the following is the source of humus found in soil?

a)

bedrock

b)

B horizon

c)

parent rock

d)

plants and animals

15.

How would a V-Shaped valley look after a glacier moved through it and how?

a)

U-shaped profile because glaciers cause erosion & breaking up of rock& carry the rock & sediment, pushing it to the sides to create a U-shaped valley from a v-shaped valley.

b)

A bowl shaped profile because rock and erosion break under the weight of the glacier.

16.

Erosion is...

a)

the process of carrying away weathered bits of rock.

b)

the process of breaking down rocks into smaller pieces.

c)

the process that forms minerals.

d)

the process that causes rust on some metals.

17.

Which of the following is an example of chemical weathering?

a)

ice wedging

b)

root wedging

c)

acid rain

18.

The Grand Canyon was created by...

a)

water erosion.

b)

Bob the Builder.

c)

a volcano.

d)

The Mid Atlantic Ridge

19.

As it moves, a ___________ picks up rocks in its path

a)

erupt

b)

glacier

c)

volcano

d)

weathering

20.

process that breaks down rocks into smaller pieces

a)

mechanical weathering

b)

chemical weathering

c)

erosion

d)

deposition

21.

continous friction and impact by wind, water, or waves

a)

ice wedging

b)

abrasion

c)

decomposition

d)

deposition

22.

process that breaks down rocks and changes the composition

a)

chemical weathering

b)

mechanical weathering

c)

erosion

d)

deposition

23.

What causes the greatest erosion effect on our beaches?

a)

Waves

b)

Gravity

c)

Glaciers

d)

Wind

24.

The process of depositing rocks in a new location.

a)

weathering

b)

erosion

c)

deposition

25.

a bend or curve in the river

a)

Delta

b)

Horn

c)

Meander

d)

Stalactite

26.

Sand dunes are created by . . .

a)

wind

b)

water

c)

waves

d)

gravity

27.

Soil is formed by . . .

a)

weathering

b)

erosion

c)

deposition

28.

What is weathering?

a)

Breaking rock into smaller pieces

b)

Moving material around the Earth's surface

c)

The build up of land

d)

Features on the surface of the Earth

29.

What is erosion?

a)

Breaking rock into smaller pieces

b)

Moving broken pieces of rock around the Earth's surface

c)

The build up of land

d)

Features on the surface of the Earth

30.

What is deposition?

a)

Breaking rock into smaller pieces

b)

Moving broken pieces of rock around the Earth's surface

c)

The build up of land

d)

Features on the Earth's surface

31.

What is a canyon?

a)

A triangle shaped landform at the mouth of a river

b)

A deep gorge with steep sides that can be formed by moving water

c)

The build up of land by depositing soil

d)

The movement of weathered material around the Earth's surface

32.

What is a glacier?

a)

Wind erosion carving out rock

b)

A block of snow on top of water

c)

A moving block of ice on top of land

d)

Water weathering breaking down rock

33.
What does erosion move?
a)
sediments
b)
water only
c)
only organic matter
d)
only inorganic matter
34.
This is a picture of a ____________________
a)
slump
b)
creep
c)
windstorm
d)
mudflow
35.
This is a picture of a
a)
slump
b)
creep
c)
mudflow
d)
landslide
36.

The slowest form of mass movement

a)

Mudflow

b)

Landslide

c)

Bog burst

d)

Soil creep

37.
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
38.
animals break up the ground by burrowing
a)
mechanical weathering
b)
chemical weathering
c)
erosion
d)
deposition
39.

acidic ground water eats away limestone in caves

a)

chemical weathering

b)

mechanical weathering

40.

The build up of land by depositing of soil and sediment in a new location.

a)

Weathering

b)

Erosion

c)

Deposition

d)

Destruction

41.

Small bits of weathered rock

a)

Weatherbits

b)

Sediments

c)

Deposited

d)

Erosion

42.

________Dissolves minerals in rock

a)

Acid

b)

water

c)

chemicals

d)

none

43.

In short, the process of oxidation in chemical weathering, is the formation or what?

a)

rocks

b)

minerals

c)

rust

d)

dirt

44.

A​ (a)   is created by the slowing down of sediment that is deposited at the mouths of rivers.

Choose from the below words
delta
canyon
v-shaped valley
u-shaped valley
45.

This picture is an alluvial fan. It is a result of

​ (a)   .

Choose from the below words
deposition
erosion
volcanic eruption
synaptic decline
46.

Match the following landform with their definition.

a)

A hill of sand created by wind

depositing sand-sized sediments.

1.

Sand Dune

b)

A low area between cliffs that is formed slowly when a river weathers rock and erodes the sediment.

2.

Canyon

c)

A wide, u-shaped low area with a rounded bottom and steep sides created when a glacier scraped against it weathering

rock and eroding sediment.

3.

U-Shape Valley

d)

A fan-shaped landform that is formed at the mouth of a river when flowing water slows and

deposits sediment.

4.

Delta

e)

Cave features that formed slowly when dripping water deposited minerals.

5.

Stalagmites and

Stalactites

47.
A meander cut off from a river.
a)
alluvial fan
b)
delta
c)
flood plain
d)
oxbow lake
48.
Water that fills the cracks and spaces in underground soil and rock layers.
a)
stream
b)
tributary
c)
groundwater
d)
rain
49.
A calcite deposit that hangs from the roof of a cave.
a)
stalagmite
b)
stalactite
50.
A cone-shaped calcite deposit that builds up from the floor of a cave.
a)
stalagmite
b)
stalactite
51.

A fan-shaped area where a river meets the ocean is called a ____________. This is formed when sediment and rock is deposited at the end of the river.

a)

dune

b)

delta

c)

weathering

d)

sediment

52.

A ______________ is a hill of sand created by the wind.

a)

dune

b)

delta

c)

sediment

53.

Sediment is deposited in a river delta because the

a)

speed of the river decreases

b)

force of gravity decreases

c)

volume of the river increases

d)

angle of the river increases

54.

Why are sinkholes common in Florida?

a)

Florida is a peninsula. Sinkholes are commonly formed on peninsulas because a peninsula is surrounded by water.

b)

Florida has a lot of swamps with animals that burrow into the sandy soil making holes and tunnels that collapse.


c)

Florida's underlying rock is limestone. Limestone dissolves easily, forming caverns which can then collapse and form a sinkhole.


d)

Florida has a lot of oil underground. When the oil is removed, there is nothing left to hold up the soil

55.
a)
Delta
b)
Glacier
c)
River
d)
Coastline
56.
Hills formed by the wind blowing or depositing sand are called
a)
dunes
b)
rivers
c)
lakes
d)
mountains
57.

Floods and storm surges can erode the land. Which landform can protect inland areas from floods and storm surges?

a)

deltas

b)

dunes

c)

plateaus

d)

rivers

58.
Glaciers deposit sediment as they begin to melt creating
a)
sinkholes
b)
landslides
c)
moraines
d)
weathering
59.

What process is responsible for sinkholes?

a)

chemical weathering

b)

earthquakes

c)

volcanoes

60.

This landform is formed by

a)

water erosion

b)

weathering

c)

deposition of sediments

d)

glaciers

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