Transcript Chapter 10-11 Study Notes

Chapter 10-11
Study Notes
Plate Tectonics and Deformation
of Crust
1
• Modern climates are a result of past
movements of _______ plates.
– tectonic
2
• A _________ mountain is formed by
magma eruptions on Earth’s surface.
– volcanic
3
• When continental plates collide, _______
can be created.
– mountains
4
• The theory that explains why and how
_______ move is called ______ tectonics.
– continents
– plate
5
• Tectonic _____ are blocks of __________.
– plates
– lithosphere
6
• The splitting of ________ into two
continents is part of the supercontinent
______.
– Pangaea
– cycle
7
• _______ are breaks in rock where rocks
move, and _______ are bends in rock.
– Faults
– folds
8
• Scientists used the pattern of alternating
normal and ________ magnetic polarity in
rocks as proof of ________ ________.
– reversed
– seafloor
– spreading
9
• Rocks that are ________ to a mid-ocean
ridge are ________ than those farther
away.
– closer
– younger
10
• Fault-block, ______, volcanic, _______
are all types of __________.
– dome
– folded
– mountains
11
• Two plates _____ ______ each other
horizontally at a ________ boundary.
– slide
– past
– transform
12
• Tectonic plate movement affects _____ by
creating mountains that affect ______
patterns.
– climate
– wind
13
• When two _____ plates collide the
_______ plate _______.
– oceanic
– denser
– sinks
14
• The crack in the ocean ______ through
which magma rises is called a ______.
– floor
– rift
15
• Wegener’s hypothesis of __________
____ was finally confirmed by evidence
supporting the idea of _______ ________.
– continental drift
– sea-floor spreading
16
• When the oceanic and continental
lithospheres collide, the oceanic plate
_____ below the continental plate.
– sinks
17
• The _______ Mountains were formed in a
collision at a __________ boundary.
– Himalaya
– convergent
18
• Frequent ________ in an area may
indicate tectonic plate __________.
– earthquakes
– boundaries
19
• Tectonic ______ can include both ______
and __________ crust.
– plates
– oceanic
– continental
20
• ______ mountains form when _________
_______ .
– Folded
– continents
– collide
21
• An example of a ________ boundary is
the San Andreas Fault in California where
two ______ are _______ ____ each other.
– transform
– plates
– sliding past
22
• ________ patterns on the ocean floor
were puzzling because they showed
alternating bands of ______ and _______
magnetic polarity.
– Magnetic
– normal
– reversed
23
• A _________ is a single landmass once
formed by the _________.
– supercontinent
– continents
24
• Sea-floor spreading is the process by
which new _______ lithosphere_______.
– ocean
– forms
25
• A mid-ocean ridge is an _________
_________ ______.
– undersea
– mountain
– range
26
• ________ polarity is when Earth's
magnetic field points _______.
– Reversed
– south
27
• Continental drift is a hypothesis that states
that continents were once _______ and
then broke _____.
– joined
– apart
28
• _______ zones happen along a plate
boundary where one plate moves _______
another plate.
– Subduction
– under
29
• Plate _______ theory explains how large
pieces of the __________ ______.
– tectonics
– lithosphere
– move
30
• The _________ is the solid layer of plastic
mantle rock that _____ very slowly.
– asthenosphere
– flows
31
• A _________ cell is a cycle in which
heated material ______ and cooler
material ______.
– convection
– rises
– sinks
32
• The _______ is the _____ layer of Earth
made up of the upper part of the mantle
and the crust.
– lithosphere
– outer
The End !!!