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UNIT 3 REVIEW
Plate Tectonics| Plate Boundaries| Earthquakes & Volcanoes
IDENTIFY THE LAYERS OF THE EARTH
• Match
each
letter
with
the
correct
layer.
A
B
C
D
WHAT WAS THE MAIN REASON
WEGNER’S CONTINENTAL DRIFT
HYPOTHESIS WAS REJECTED?
– He could not provide a
mechanism for
movement of the
continents
WHAT ARE PLATES COMPOSED OF?
• Lithosphere
• Oceanic and
Continental
HOW MANY LARGE PLATES ARE THERE?
SMALL?
• 7 large
• 6 small
DESCRIBE CONTINENTAL CRUST
• Thicker and less dense than oceanic crust
WHERE WOULD THE YOUNGEST ROCKS BE
FOUND?
• C
VOLCANOES ARE FORMED FROM WHICH
PLATE MOVEMENT?
• Convergent
WHAT FORMS WHEN ONE OCEANIC PLATE IS
FORCED (OR PUSHED) BENEATH ANOTHER
PLATE?
• Subduction zone
WHAT WAS THE ONE OF THE EXAMPLE OF A
DIVERGENT PLATE BOUNDARY ON
"CONTINENTAL LITHOSPHERE"?
• the East African Rift
Valley
WHICH SEISMIC WAVE IS THE MOST
DESTRUCTIVE?
• Surface waves
– (L & Rayleigh)
MAGMA FORMS WHEN SOLID ROCK IN THE
CRUST AND UPPER MANTLE
• Melts
MOST OF THE ACTIVE VOLCANOES ON
EARTH ARE LOCATED IN A BELT KNOWN AS
• Ring of fire
THE CURRENT SCALE MOST WIDELY
USED BY SCIENTISTS FOR MEASURING
EARTHQUAKES IS THE
• Moment magnitude
scale
AN EARTHQUAKE’S EPICENTER IS ___.
• On the surface, directly
above the focus.
IN WHICH HEMISPHERE WILL YOU FIND
EUROPE?
• NORTHEAST
WHAT IS THE FIRST STEP TO THE
SCIENTIFIC METHOD?
• Observation and Question
HOW IS THE DISTANCE NORTH OR SOUTH OF
THE EQUATOR MEASURED?
• Latitude
WHAT EVIDENCE IS USED TO SUPPORT THE
BIG BANG THEORY?
• Red shift
WHICH WAVE HAS THE LONGEST
WAVELENGTH OUT OF THE FOLLOWING
ELECTROMAGNETIC WAVES?
• Radio waves