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37 questions
The idea that continents were once part of a single landmass that broke apart and
moved
Continental Drift
Tectonic Plates
Transform
The land mass where all of the continents were once together in one large continent is called ________________.
Laurasia.
Pangaea.
Eurasia.
Gondwana.
The fact that similar fossils are found on both sides of the ocean is evidence of
magnetic reversal.
global positioning.
continental drift.
oceanic drift.
The movement of the tectonic plates is caused by
the rotation of the Earth.
convection currents in the Asthenosphere
the gravity of the iron-nickel core.
the Moho discontinuity.
Most geologists think that the movement of Earth’s plates is caused by _______
convection.
continental drift.
subduction.
conduction.
______ a hypothesis that new sea floor is created at mid-ocean ridges and that in the process the continents are pushed apart from each other.
PLATE TECTONIC
FAULTS
SEA-FLOOR SPREADING
SEISMOMETER
What should you NOT DO during an earthquake?
cover your head
duck under the table
park your car
run to a tall tree
Why is it important to be aware of places prone to earthquakes?
to identify what crop must be stored
to identify when to evacuate
to locate where to stay best
to perform necessary precautions
Why is the Earth's inner core solid?
Peer Pressure
High Pressure
Extreme Heat
Composition
Alfred Wegner's continental drift hypothesis stated that at one time in Earth's history, all the continents joined together to form...
Three Supercontinents
One Supercontinent
Two Supercontinents
Eleven Supercontinents
One piece of evidence that supports Alfred Wegner's hypothesis is that...
fossils of the same species are found on different continents.
the same magnetic directions exist on different continents.
land bridges still exist that connect major continents.
major land rivers on different continents match
TRUE or FALSE: Oceanic crust is more dense than continental crust.
True
False
Crust is destroyed at which type of plate boundary?
divergent boundaries
continental island arcs
convergent boundaries
transform fault boundaries
Identify the correct term for the location of point B.
focus
epicenter
fault
The first seismic wave to be detected is the -
P wave
S wave
Surface wave
Body wave
An instrument used to detect and record seismic waves is the -
telegraph
seismograph
seismogram
sonar
What is the minimum number of seismic stations needed to determine the location of an earthquake's epicenter?
One
Thirty-seven
Two
Three
The Hawaiian islands have formed as the Pacific plate moves over...
a subduction zone
an ocean ridge
the Aleutian plate
a hot spot
Theory that magma rises to surface at mid-ocean ridge & cools to form new seafloor
Continental drift
Plate tectonics
Volcanoes
Seafloor spreading
Shaking of the ground caused by sudden movement of large blocks of rocks along a fault
Earthquake
Volcano
Tsunami
Surface waves
In an earthquake, the point underground where the rocks first begin to move
Epicenter
Normal fault
Focus
Reverse fault
These waves move along Earth's surface & cause the most damage
Surface waves
Primary waves
Secondary waves
D waves
Based on the illustration, what are three main types of rocks formed in the rock cycle? *Multiple answers.
sedimentary
magma
metamorphic
igneous
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