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Earth's Systems

Across
All of the Earth’s continents as a super continent.
A cold period marked by glaciers.
Pieces of Earth’s lithosphere that move on the mantle.
A process in which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the underwater mountain/ridge.
The theory, or idea, of plate tectonics says that Earth’s outer layer is made up of large, moving pieces called plates.
Down
The geosphere describes all of the rocks, minerals and ground that are found on and in Earth. This includes all of the mountains on the surface, as well as all of the liquid rock in the mantle below us and the minerals and metals of the outer and inner cores.
The circulation of materials caused by differences in temperature and density.
Mountain ranges in the middle of the ocean.
Suggests that continents are in constant motion on the surface of the Earth; Theorized by Alfred Wegener.
Elevated or raised land cause by two or more tectonic plates colliding.
Naturally preserved remains , prints, or traces of organisms that lived long ago.