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WorksheetsUnit 3: The Dynamic Earth
Total questions: 50
Worksheet time: 27mins
Which describes the theory of plate tectonics?
Earth's surface is one solid piece
Earth's surface is broken into many pieces
Earth is 4.5 billion years old
The oldest rocks are found at the bottom
What does finding similar fossils on different continents suggest?
The fossils were moved by humans
Ancient creatures swam across the ocean
The continents were once joined together
It is just a coincidence
What is created at an oceanic-oceanic convergent plate boundary?
Continental volcanic mountains
Rift valley
Folded mountains
Volcanic island arcs
What feature is created by a divergent plate boundary?
Volcanic island arc
mid ocean ridges and new seafloor
mountains with a tall plateau
deep ocean trench
What is created by a hotspot?
Line of volcanic islands
Deep ocean trench
Rift valley
Volcanic mountain range
What occurs at a transform plate boundary?
Two plates move towards each other
Two plates moved away from each other
Two plates slide past each other
What occurs at a convergent plate boundary?
Two plates move towards each other
Two plates moved away from each other
Two plates slide past each other
What occurs at a divergent plate boundary?
Two plates move towards each other
Two plates moved away from each other
Two plates slide past each other
Where are volcanoes most likely to occur?
Divergent boundary
Convergent boundary
Transform boundary
What can the location of volcanoes and earthquakes show you?
Nothing, it's random
Where plate boundaries are
The edges of the continents
Hotspots
Hot spots, like the one that formed the Hawaiian islands
move around
stay in the same place
disappear and reappear
cause earthquakes
What tool is used to detect earthquakes?
Barometer
Global Positioning System
Seismograph
Richter scale
In the diagram of the earth's interior, which part is broken into large pieces called plates?
A
B
C
D
In the diagram of the earth's interior, which part drives the movement of the plates?
A
B
C
D
What occurs at a subduction zone?
Two plates smash into each other
One plate sinks under the other
Two plates slide by each other
Magma rises in the middle of a plate
True or False: Because we rarely witness dramatic changes to the Earth, we can conclude that the Earth is not changing very much.
True
False
The type of plate boundary where two plates come together is a .....
Convergent Boundary
Divergent Boundary
Transform Boundary
Plate Boundary
A divergent boundary occurs when plates ....
Pull apart
Come together
Slide past each other
The lithosphere is divided into pieces called ____________, which glide across the asthenosphere.
faults
tectonic plates
earth's surfaces
crust
Scientists study the structure of Earth's interior using information and measurements from
volcanic eruptions
deep-Earth digs
element core samples
seismic wave activity
What geologic features resulted from the collision of the two continental plates?.
VOLCANIC ISLAND ARC
FAULT
MOUNTAIN
EARTHQUAKE EPICENTER
Which of the following is the result of the collision of two oceanic plates?
TRENCH
VOLCANO
RIFT VALLEY
FAULT LINE
Which of the following can we expect to find at a mid-ocean ridge?
RELATIVELY YOUNG ROCKS
REVERSE FAULT
VERY ANCIENT ROCKS
THICK ACCUMULATION OF SEDIMENTS
It is a plate which dives down under a less dense plate during a subduction.
SUBDUCTING PLATE
OCEANIC PLATE
MANTLE
OVERRIDING PLATE
Which of the following is NOT a geologic process that occurs along convergent boundaries?
EARTHQUAKES
MOUNTAIN-BUILDING
TORNADO
VOLCANISM
Which stress causes rocks to be pulled in opposite directions, hence may cause them to stretch?
Tensional stress
Compressional stress
Shear stress
Faults that occur due to tensional stress are called
Normal
Reverse
Thrust
Strike-slip
Factors that influence the strength and deformation of a rock include ___________, pressure, rock type, and time.
stress
flow
temperature
water
Upfolding most often results in
anticline
syncline
monocline
What is deformation?
Process when the rocks break apart or erode.
Process of when rocks melt away.
Process when rocks change shape under pressure.
Process when
What type of stress is happening to these layers of crust?
Compression
Separation
Faulting
Tension
