Plate Tectonics Crossword

large ancient landmass that was composed of all the continents joined together
one of the six or seven great divisions of kind kn the globe
Jess's theory that new seafloor is formed when magma is forced upward toward the surface at a mid-ocean ridge
portion of Earth's crust that lies beneath ocean waters
a large section of Earth's oceanic or continental crust and rigid upper mantle that moves around on the asthenosphere
to come together
to move apart
to convert or change
rigid layer of Earth about 100 km thick, made of crust and a part of the upper mantle
plastic like layer on earth in which the lithosphere plates float and move around
current in Earth's mantle that transfers heat in earths interior and is the driving force for plate tectonics
The gradual movement of the continents cross the earths surface throughout geological time
liquid core that surrounds Earth's solid inner core, and that is made mostly of iron
very dense, solid center od the Earth that is made of mostly iron with smaller amounts of oxygen, silicon, sulfur, or nickel
largest layer inside Earth, lying directly above the outer core and that is made mostly of silicon, oxygen, magnesium, and iron
Earth's outermost layer
device used by seimologists to record primary, secondary, suface waves from earthquakes
waves of energy that reach Earth's surface during an earthquake, travel outward from the epicenter, and move rock particles up and down, and side to side
remains or traces of a once living organism reserved by rock
remains or traces of a once living organism reserved by rock