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WorksheetsPlate Tectonics
Total questions: 48
Worksheet time: 39mins
Plastic-like layer of the Earth's surface below the lithosphere.
Mantle
Crust
Plates
Asthenosphere
Rigid layer of the Earth's surface made up of the crust and part of the upper mantle
Lithosphere
Mantle
Tectonic Plates
Asthenosphere
Largest layer of the Earth, composed of mostly silicon, oxygen, magnesium and iron.
Crust
Mantle
Tectonic Plates
Core
Outermost layer of the earth
Crust
Mantle
Lithosphere
Asthenosphere
Section's of the Earth's crust and upper mantle
Plates
Subduction Zone
Lithosphere
Asthenosphere
Boundary between two plates that are moving apart
Divergent Boundary
Convergent Boundary
Transform Boundary
Subduction Zone
Place where two plates move together
Divergent Boundary
Convergent Boundary
Transform Boundary
Subduction Zone
Plate Boundary that occurs when two plates slide past one another.
Divergent Boundary
Convergent Boundary
Transform Boundary
Subduction Zone
Area where an oceanic plate goes down into the mantle
Divergent Boundary
Convection current
Transform Boundary
Subduction Zone
Cycle of heating, rising, cooling and sinking
Seafloor Spreading
Convection current
Continental Drift
Subduction Zone
Hot magma forced upward at mid-ocean ridges producing new rock.
Seafloor Spreading
Convection current
Continental Drift
Subduction Zone
Hypothesis that the continents have moved slowly to their current locations
Seafloor Spreading
Convection current
Continental Drift
Pangaea
Theory that states that Earth's crust and upper mantle are broken into sections, which move around on a special layer of the mantle.
Seafloor Spreading
Convection current
Continental Drift
Plate Tectonics
Sensing device that detects magnetic fields, helping to confirm seafloor spreading
Magnetometer
Sonar
GPS
Metal detector
One large landmass hypothesized tp have broken apart about 200 million years ago into continents.
Seafloor Spreading
Pangaea
Continental Drift
Megacontinent
Who proposed the continental drift theory?
Alfred Wegener
Harry Hess
Abraham Ortelius
Neil deGrasse Tyson
Colliding plate boundaries can form which of the following?
mountains and volcanoes
ocean basins
strike-slip fault
rift valleys
The results of plate movement can be seen where? (Check all that apply)
rift valleys
plate boundaries
plate centers
mid-ocean ridge
The alignment of iron-bearing minerals in rocks when they formed reflects the fact the Earth's ____ has reversed itself several times in its past.
core
asthenosphere
gravirty
magnetic field
Scientist aboard the Glomar Challenger added to the evidence of seafloor spreading by providing
high altitude photos of existing continents
samples of plant life from different locations
samples of rock from different locations along the ocean floor
direct measurements of the movement of the continents
What often occurs where plates slide past one another?
volcanoes
earthquakes
island arcs
ocean trenches
Which of the diagrams represents a fault line?
A
B
C
D
Why do Earth's plates move?
because of tornadoes and hurricanes
because of Earth spinning on its axis
because of Earth orbiting the sun
because of molten rock heating and cooling within the mantle
Pangaea
Why did other scientists did no believe in Wegener’s theory?
He could not explain how the continents moved
He didn’t have evidence
His data was wrong
He didn’t use the right technology to gather data
Created by a divergent boundary. (Select all that apply)
Himalayan Mountains
Mariana Trench
Mid Atlantic ridge
Rift Valley of Africa
San Andreas Fault
Name the boundary
convergent boundary
divergent boundary
transform boundary
crustal boundary
Name the boundary
convergent boundary
divergent boundary
transform boundary
crustal boundary
Name the boundary
convergent boundary
divergent boundary
transform boundary
crustal boundary
The San Andreas fault is an example of which type of boundary?
transform
divergent
convergent
universal
How is it possible for new crust to be formed without increasing the surface area of the Earth?
Crust is destroyed somewhere else at the same time it is created
New crust is underwater where it sinks
New crust breaks more easily than old crust
Earth is getting bigger because the Atlantic Ocean is getting wider
What evidence did Wegener use in his theory? (Check all that apply)
Similar fossils across continents
glacier scars and evidence from tropical plants in different climate areas
mountain ranges line up across continents
The shape of the continents
Young rock along the mid-Atlantic ridge
The Great Rift Valley in Africa and the Mid-Atlantic Ridge were both created by this type of plate boundary.
Convergent
Divergent
Transform
Stress
A
B
C
D
What type of event will most likely occur at this boundary?
Earthquake
Volcano Eruption
Tornado
Mountain Building
Wegener observed scratches from glaciers in Africa and India where it is currently too hot for glaciers to form. This is considered...
Fossil Evidence
Rock Formation Evidence
Climate Evidence
Objective Evidence
Wegener found fossils of ancient ferns on Antarctica, this shows
That some ferns can survive temperatures well below freezing
That humans put ferns on Antarctica millions of years ago
That Antarctica drifted from a warmer climate where plants could grow
That fossils can be formed in cold climates
What particular event is shown on the picture?
mid-ocean ridge
subduction zone
transform boundary
divergent boundary
What technology did scientists use in the mid-1900s to map the mid-ocean ridge?
satellites
submarines
deep-sea diving
sonar
This scientist was the first to propose seafloor spreading
Albert Einstein
Harry Hess
Alfred Wegener
Stephen Hawking
Which one of these was creatd by a transform boundary?
San Andreas Fault
MId-Atlantic Ridge
Himalayas
Andes Mountains
Which of the following was created by a convergent boundary of two continental plates?
Andes Mountains
Mariana Trench
San Andreas Fault
Himalayas
Tectonic plates
Convection Currents
Earthquakes
Subduction Zone
Which of the following was created by a convergent boundary of two oceanic plates?
Andes Mountains
Mariana Trench
San Andreas Fault
Himalayas
Which of the following was created by a convergent boundary of a continental plate and oceanic plates?
Andes Mountains
Mariana Trench
San Andreas Fault
Himalayas
