1. Observa la imagen superior y
define en tu cuaderno cada una de las formas que están representadas. 
2. Lee las definiciones siguientes
en inglés y únelas a su correspondiente concepto en español.
Ocean trench:
A long deep depression in the ocean floor
where one plates dives steeply beneath another and penetrates the
mantle.
Oceanic ridge: An underwater mountain range developed at
a section of oceanic crust where magma rises up.
Subduction zone: The area where plates converge
and one sinks below the other.
Collision
zone: The area where two continental plates converge.
Continental
shelf: The area of land on the edge of a continent that
slopes into the ocean.
Continental slope: The steep surface that goes down from
the outer edge of the continental shelf to the ocean floor.
Abyssal plain: The deep ocean floor covered by thin
sediment.
