Earth's Sphere Crossword

A dynamic mass of liquid that is continually on the move
The gaseous portion of a planet
The totality of life on Earth
The solid Earth
The thin, rocky outer layer of earth
A solid rocky shell
A sphere composed mainly of an ironnickel alloy
The rigid outer layer of Earth
A subdivison of the mantle
The part of the mantle that extends from the core-mantle boundary
A layer beneath the mantle about 2200 kilometers thick
The solid innermost layer of Earth
individual plates that interact in various ways and thereby produce earthquakes,volcanoes,mountains, and the crust itself
One of numerous rigid sections of the lithosphere
The portion of seafloor that lies between the continental margin and the oceanic ridge system
An elongated depression in the seafloor produced by bending of the oceanic crust during subduction
an isolated volcanic peak that rises at least 1000 meters
A continuous elevated zone on the floor of all the major ocean basins
Expansive, flat regions composed of deformed crystalline rock
The steep gradient that leads to the deep-ocean floor