Earth's Layers
Earth’s top, outermost layer
What is the crust?
when one plate sinks underneath another
What is subduction?
places where the edges of different plates meet
What are plate boundaries?
Slide
What is a transform boundary?
sections of Earth’s crust that move around on the plasticlike asthenosphere
What are tectonic plates?
the center of the earth
What is the inner core?
disturbances that carry energy through matter or space
What are waves?
where two plates slide past each other horizontally
Under
What is subduction?
Earthquakes often occur in these areas.
What are transform boundaries?
Earth’s largest layer
What is the mantle?
the rigid, upper part of Earth’s mantle and crust, broken into about 30 plates
What is the lithosphere?
where two plates move away from one another
What is a divergent boundary?
Divide
What is a divergent boundary?
pulling force that move plates in opposite directions
What is tension?
Earth's layer that is composed mostly of molten metal
What is the outer core?
large fractures in rocks along which movement occurs
What are faults?
where two plates push together
What is a convergent boundary?
Collide
What is convergent?
when a force pushes something in 2 different directions
What is shearing?
Earth's layer that experiences the greatest amount of pressure
What is the inner core?
plastic-like portion of the Earth's crust where plates move around
What is the asthenosphere?
where volcanoes would typically form
What is a convergent boundary?
Pull
What is tension?
scientist best known for proposing the theory of continental drift
Who is Alfred Wegener?