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Transcript
Name
Date
Class
Content Vocabulary
LESSON 2
Landforms at Plate Boundaries
Directions: Each of the sentences below is false. Make the sentence true by replacing the underlined words with a
term from the list below. Write your changes on the lines provided. NOTE: You may need to change a term to its
plural form.
fault zone
ocean trench
transform fault
volcanic arc
1. Volcanic arcs form perpendicular to mid-ocean ridges as
tectonic plates slide horizontally past each other.
2. The San Andreas Fault system in California is a(n)
transform fault that includes an extensive series of visible
and underground faults.
3. A curved line of islands, or fault zone, may form where
two plates converge.
4. The deepest places in the ocean are found at transform
faults.
30
Earth Dynamics
Name
Date
Class
Content Practice B
LESSON 2
Landforms at Plate Boundaries
Directions: Use the map to find the locations listed on the chart. Then complete the chart with the correct type
of boundary in the space provided.
convergent
A convergent boundary occurs where two
plates are pushing toward each other.
divergent
A divergent boundary marks two plates
that are moving apart from each other.
transform
A transform boundary occurs where two
plates slide past each other.
Location
Type of Boundary
1. the Mid-Atlantic Ridge between the
North American and Eurasian Plates in
the North Atlantic; between the
South American and African Plates in
the South Atlantic
2. the boundary between the Pacific Plate and
the North American Plate in California
3. the boundary between the Pacific and
Antarctic Plates
4. the boundary between the Nazca Plate and
the South American Plate along the west
coast of South America
5. the boundary between the Eurasian Plate and
the Indian Plate at the Himalayas
6. the boundary between the Pacific Plate and
the Australian Plate crossing New Zealand
Earth Dynamics
3
Name
Date
Key Concept Builder
Class
LESSON 2
Landforms at Plate Boundaries
Key Concept What features form where two plates converge?
Directions: In each part of the circle, write the number of the statement that best describes each landform. Some
numbers may be used more than once.
1. Islands formed where plates converge and one plate subducts under another.
2. A deep, underwater trough is formed when one plate is forced under another.
3. The plates move horizontally, but the crust also can move vertically.
4. These emerge as islands about 100 km away from the plate boundary.
5. These form slowly and in stages over millions of years.
6. These are the deepest places in Earth’s oceans.
7. One of these contains most of the active volcanoes in the United States.
8. These can be produced by a collision between two continental plates.
Ocean Trenches
Mountain Ranges
Earth Dynamics
Volcanic Arcs
37
Name
Date
Class
Key Concept Builder
LESSON 2
Landforms at Plate Boundaries
Key Concept What features form where two plates diverge?
Directions: On each line, write the term from the word bank that correctly completes each sentence. Each term is
used only once.
boundaries
mantle
continent
seafloor
divergent
tension
downward
valleys
Mid-Ocean Ridges 1. Mid-ocean ridges are created by
stresses
as plates diverge.
2. At divergent plate
from each other.
the plates move away
3. As tension stresses cause oceanic crust to spread apart, hot rock from
the
rises.
4. Rising hot rock is less dense than cold rock, so the hot rock pushes the
upward.
Continental Rifts
5. Continental rift
continents at divergent boundaries.
6.
are created within
boundaries occurring within a continent
split Earth’s crust.
7. Faults in the cold upper crust cause large blocks of crust to
move
.
8. An active continental rift may eventually split a
into two parts.
Name
Date
Challenge
LESSON 2
Mountains at the Edges
Many of Earth’s largest mountains have formed at the boundaries of colliding plates.
Map Mountain Ranges
1.
Research the locations, highest points, and type of formation (folded, fault-block,
uplifted, or volcanic) of the mountain ranges formed at the plate boundaries listed
below:
Location
Alps
Andes
Applachian
Atlas
Himalayas
Urals
Zagros
Class
Highest Type of formation
Point