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WorksheetsPlate Tectonics
Total questions: 20
Worksheet time: 10mins
What are tectonic plates?
slabs of Earth's crust (or lithosphere) that move over the mantle (or asthenosphere)
plates made of delicate porcelain clay found deep within the Earth's core
when you technically leave sandwich crust on your plate, but feed it to the dog when no one is looking
What causes the tectonic plates to move?
uneven heating due to convection currents cause warm magma to rise and cool within the mantle
earthquakes and volcanoes
infrared rays of energy cause more dense rock to rise and less dense rock to sink.
True/False. Hot magma within Earth is less dense and will rise, while cooler magma becomes more dense and sinks.
True
False
What are the 3 main types of plate boundaries?
small, medium, and large
subduction, convection, and divergent
convergent, divergent, and transform
What are the 3 main types of plate boundaries?
Convergent, Divergent, Transfer
Convection, Divergent, Transform
Convergent, Divergent, Transform
Convection, Divergent, Transfer
Which is the only boundary that does NOT involve magma?
divergent
convergent
transform
A convergent boundary can form a mountain chain or a ____________.
Earthquake
Rift Valley
Sea-floor trench
Mid-ocean ridge
Based on what you've learned about plate tectonics, which statement would you consider to be accurate in comparing the 2 maps?
Most of the world’s volcanoes and earthquakes are located along the edges of continents and ocean basins and along island chains. It is likely evidence that these movements are related to the movement found at tectonic plates boundaries.
Earthquakes and Volcanoes are very different processes and do not have much to do with how the land is changed, or the tectonic plates.
The map on the left shows where tectonic plates are, and the map on the right shows the ancient civilizations that settled there.
California is home to the San Andreas fault, a well-known __________ boundary, where plates slide past each other.
convergent
divergent
transform
Which diagram best shows the movement of tectonic plates at a CONVERGENT boundary?
Which diagram shows the movement for tectonic plates at a TRANSFORM boundary?
Which diagram shows the movement of tectonic plates at a DIVERGENT boundary?
Which diagram shows the movement of tectonic plates at a SUBDUCTION zone?
What geologic feature can be created by a divergent boundary?
Mountain chains
Volcanoes
Earthquakes
Mid-ocean ridges, rift valleys
What is the difference between convergent and divergent plate boundaries?
Convergent collides together, divergent divides apart.
Convergent collides together, divergent slides by each other
Convergent divides apart, divergent collides together
Convergent divides apart, divergent slides by each other
What are 3 possibilities that can occur at a convergent boundary when one tectonic plate goes beneath another tectonic plate?
subduction
volcanoes can form
sea-floor spreading
trenches can form
Sea-floor spreading occurs at which type of plate boundary?
convergent
transform
divergent
If seafloor spreading were occurring, then the seafloor closest to the mid-ocean ridge (where magma is rising to the surface) would be the youngest, and the seafloor farthest away from the mid-ocean ridge would be the oldest.
True
False
Which scientist is most famously known for having the idea that all the continents were once connected as part of a supercontinent, known as Pangaea?
Albert Einstein
John Muir
Harry Hess
Alfred Wegener
What is the theory that states the continents slowly drifted to their current positions after having been part of a single, giant landmass that broke apart
Continental Drift Theory
Land Mass Theory
Theory of Plates and Tonics
