Plate tectonics

convection currents are powered by

a deep valley that forms along a subduction zone is called a(n)

____________________ is evidence that the seafloor is spreading

What is the area where an ocean plate slips below a continental plate?

What is the underlying force that drives plate tectonics?

When edges of the tectonic plates shift and energy is releases, what is the result?

What evidence did Alfred Wegener use to support his theory of continental drift?

What occurs at a divergent boundary between tectonic plates?

Which of the following plate interactions is most likely to form a mountain range?

What is the name of Wegener’s theory about the position of tectonic plates?

What do scientists call the process of magma rising out of the mid-ocean ridges?

When two plates that differ in _______ collide, volcanoes often form nearby.

The idea that continents move slowly on Earth's surface is known as  ....

the crust beneath the oceans is more dense than the crust beneath the continents

What is the name of Harry Hess’ theory about the formation of the Mid-Atlantic Ridge?

When edges of the tectonic plates shift and energy is releases, what is the result?