Download Reading Study Guide A

SECTION
PLATES CONVERGE OR SCRAPE PAST EACH OTHER.
CHAPTER 1
Plate Tectonics
1.4 Reading Study Guide A
BIG IDEA
The movement of tectonic plates causes geologic changes on Earth.
KEY CONCEPT
Plates converge or scrape past each other.
Vocabulary
subduction occurs when one tectonic plate sinks beneath another
continental-continental collision occurs where two plates carrying continental
crust push together
oceanic-oceanic subduction occurs where one plate with oceanic crust sinks
under another plate with oceanic crust
oceanic-continental subduction occurs when ocean crust sinks under
continental crust
Review
1.
Divergent boundaries occur where
.
Take Notes
Tectonic plates push together at convergent boundaries. (p. 30)
2.
New crust forms at divergent boundaries, while older crust is ___________
at convergent boundaries. In subduction, one plate ____________ another plate.
There are three types of convergent boundaries.
A. Continental-Continental Collision (p. 31)
Fill in the description wheel for continental-continental collision.
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CONTINENTAL
CONTINENTAL
COLLISION
Himalayas are an example
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Copyright © by McDougal Littell, a division of Houghton Mifflin Company
I.
46 THE CHANGING EARTH, CHAPTER 1, READING STUDY GUIDE A
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B. Oceanic-Oceanic Subduction and Oceanic-Continental Subduction
(pp. 32–33).
Complete the chart.
Notes
CHAPTER 1
Plate Tectonics
4.
Sketch
Deep-ocean trench
Island arc
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Coastal mountain
5.
In the sketch below, two plates are converging. Draw mountains at the place
where you would expect mountains to be formed by the plate motions. Draw an
X where you think a volcano might form.
6.
Only one of the plates in the sketch above is an oceanic plate. Which plate is
it? How do you know?
II. Tectonic plates scrape past each other at transform boundaries.
(p. 34)
7.
Fill in the frame game for transform boundary.
TRANSFORM BOUNDARY
III. The theory of plate tectonics helps geologists today. (p. 36)
8.
How does the theory of plate tectonics help geologists today?
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