Dynamic Earth

Earth, Its layers, movements, and history

An online crossword puzzle with 18 words. Play it free at AgileCrosswords.com.

Clues

process in which old ocean floor is pushes away from a midocean ridge
scale used to measure the strength of earthquakes
shaking and trembling that results from sudden movement of part of Earth's crust
earthquake and volcano zone that encircles the Pacific Ocean
giant sea wave produced by an earthquake
place in the Earth's surface through which molten rock and other materials reach the surface
formed from molten rock
layer of the Earth that extends from the bottom of the crust to the core
surface layer of the earth
molten rock beneath the Earth's surface
undersea mountain chain where new ocean floor is produced
earthquake wave
point on the Earth's surface directly above the focus of an earthquake
branch of geology that deals with the movements that shaped the Earth's crust
single giant landmass that existed more than 200 million years ago
large area of flat land that is raised high above sea level
preserved remains or traces of an ancient organism
molten rock at Earth's surface