pages 398 - 399
Who was the person to first suggest his hypothesis of continental drift?
Who is Alfred Wegener?
this process occurs when new sea floor forms
what is sea floor spreading
this is how tectonic plates move
is different locations at different times and at different speeds
this boundary pushes plates together
what is convergent
subduct, subducting, or subducted means this
to pull down
What is the theory that says the continents were once joined together?
continental drift
this is an underwater mountain range
what is a mid ocean ridge
How many plates are there
what is 8 major tectonic plates
this boundary pushes plates apart
that is divergent
this is the cycling of material due to differences in density
what is convection
Name two things that are on separated continents that prove continental drift occurred
What is matching coastlines, mountains, fossils, similar rock layers or land features
what is closest to the mid ocean ridge
this is the layer of earth the plates are in
what is the lithosphere
this boundary slides past each other
what is transform
this is a force that pushes tectonic plates away from the mid ocean ridges
what is Ridge Push
Name the largest single landmass on Earth 300 million years ago
What is Pangaea
these are deep water canyons on the sea floor
what are trenches
This is the thinner of the two crusts
what is continental
this boundary does not cause volcanoes
what is transform
This is a process when the leading edge of a plate pulls the rest of the plate with it
what is slab pull
What is the difference between Plate tectonics and tectonic plates?
Plate tectonics is a theory that states the earths outer layer is made up of plates, and
tectonic plates ARE the moving pieces on the lithosphere
this is where volcanoes and earthquakes occur
What is near plate tectonics boundaries
what is oceanic
this boundary causes volcanoes, earthquakes, mountains, and trenches.
What is convergent
this is the most important mechanism that drives plate tectonic motion
what is slab pull