Wegener thought that all the continents were once together in one large continent called
The global positioning system can map the rate of tectonic plate movement using
What is the outermost layer of the Earth called?
In a normal fault, where does the hanging wall move relative to the footwall?
What is the area where two tectonic plates meet called?
What type of boundary is formed when plates collide?
What type of boundary is formed when plates slide past each other?
Which of these did NOT provide evidence for continental drift?
According to the continental drift theory, a single, huge continent once existed called
The mantle is denser than the crust because it contains more
The core consists mainly of
Seismic waves travel through Earth's layers at different speeds depending on the
Mountains formed by magma that reaches the Earth's surface are called
Sets of deep cracks that form between two tectonic plates that are pulling away from each other are known as
What does the theory of continental drift explain?
What happens at mid-ocean ridges?
Which of the following is associated with transform boundaries?
What is the idea that all continents were once part of one big landmass called?
What is it called when Earth's magnetic poles change places?
What is the correct order of the layers of the Earth from the surface to the center?
Earthquakes produce
The southern portion of Pangaea that broke apart about 180 million years ago is known as
Magnetic reversals are preserved in
Mid-ocean ridges are the most common type of
Changes in density in the asthenosphere are caused by
Word Bank
slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
Crust moves sideways because of _________________________.
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slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
Crust moves downward because of _________________________.
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slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
A __________________ is a substance composed of two or more elements.
Word Bank
slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
Because tectonic plates have irregular surfaces, they grind and jerk as they slide in ___________________________.
Word Bank
slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
When an object is squeezed, the type of stress is called _______________________.
Word Bank
slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
The bending of rock layers because of stress is ________________________.
Word Bank
slab pull ridge push convection compound mantle crust mineral transform boundaries divergent boundaries convergent boundaries compression tension folding fault
Reverse and normal are examples of ______________ types.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
The Alps and Himalayas are _______________________.
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folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
The mantle mainly consists of a dense layer called the ______________________.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
The liquid layer at the Earth's center is known as the ________________________.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
The process that takes place at mid-ocean ridges is called_______________________.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
When tension breaks a rock layer, it makes a ________________ fault.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
When compression breaks a rock layer, it makes a _____________________ fault.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
Magnetic minerals prove that Earth has had ______________________________.
Word Bank
folded mountains volcanic mountains fault-block mountains dome mountains inner core asthenosphere plate tectonics sea floor spreading subsidence outer core continental drift mesosphere uplift normal reverse magnetic reversals divergent convergent transform
New crust in the ocean is a sign of ____________________________.
The layer of rock that comprises 67% of the Earth's mass.
The layer of Earth made mostly of iron.
The thin, solid, outermost layer above the mantle.
The rigid layer made up of the crust and upper mantle.
The lower part of the mantle.
Used to measure the movement of tectonic plates.
Hardens to form new rock at mid-ocean ridges.
Used to measure the density of the Earth's layers.
Used as evidence for continental drift.
Used as evidence for sea floor spreading.