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WorksheetsPlate tectonics
Total questions: 15
Worksheet time: 8mins
Earth's huge supercontinent that existed millions of years ago.
Pangea
Nazca
Oceanic Trenches are formed by either _______ or _______ plate boundaries
Convergent Oceanic / Continental
Convergent Continental / Continental
Convergent Oceanic / Oceanic
Divergent
Divergent boundary
where two plates are moving away from each other
may result in seafloor spreading
where two plates slide past each other
When oceanic and continental crust collide what feature would form?
volcanic island arc
folded mountain
volcanoes on the continent
Ocean ridges are caused by _______ forces
Compression
Sheer
Tension
Divergent
Non-volcanic earthquakes are caused by _______ forces
Compression
Sheer
Tension
Divergent
What causes convection currents?
Hot magma rises while cool magma sinks
The rotation of the Earth
Ocean currents pulling plates apart
The spinning of the Earth's core
The outer layer of the Earth (the crust) is the...
Mantle
Asthenosphere
Lithosphere
Crust
Magma that erupts out of volcanoes comes from.....
melted transform crust
melted oceanic crust
melted continental crust
Identify this type of plate movement
Divergent Boundary
Convergent Boundary
Transform Boundary
None
This type of boundary can be found along the San Andreas fault in California....
divergent
convergent
transform
What is the lithosphere?
another name for Earth's crust
the crust and uppermost part of the mantle
another name for Earth's mantle
the solid part of the mantle
How much do tectonic plates move in a year?
less than 1 inch
about 1-2 feet
1-6 inches
no one is really sure
What happens at a subduction zone?
two plates slide past each other
one plate is pulled down under another one
two plates move apart
