https://padlet.com/3033861/ijqid290skns en-us 2018-03-29 16:24:06 UTC 2023-05-17 01:54:49 UTC hello@padlet.com 3033861 https://padlet.com/3033861/ijqid290skns/wish/247317965 a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.]]> 2018-03-29 16:25:12 UTC https://padlet.com/3033861/ijqid290skns/wish/247317965 3033861 https://padlet.com/3033861/ijqid290skns/wish/247318653 the gradual movement of the continents across the earth's surface through geological time.]]> 2018-03-29 16:26:59 UTC https://padlet.com/3033861/ijqid290skns/wish/247318653 3033861 https://padlet.com/3033861/ijqid290skns/wish/247319141 The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.]]> 2018-03-29 16:28:30 UTC https://padlet.com/3033861/ijqid290skns/wish/247319141 3033861 https://padlet.com/3033861/ijqid290skns/wish/247319570 The Mid-Atlantic Ridge is a mid-ocean ridge, a divergent tectonic plate or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. ]]> 2018-03-29 16:29:48 UTC https://padlet.com/3033861/ijqid290skns/wish/247319570 3033861 https://padlet.com/3033861/ijqid290skns/wish/247320194 The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.]]> 2018-03-29 16:31:31 UTC https://padlet.com/3033861/ijqid290skns/wish/247320194 3033861 https://padlet.com/3033861/ijqid290skns/wish/247320656 A tectonic boundary where two plates are moving toward each other. If the two plates are of equal density, they usually push up against each other, forming a mountain chain. If they are of unequal density, one plate usually sinks beneath the other in a subduction zone.]]> 2018-03-29 16:32:57 UTC https://padlet.com/3033861/ijqid290skns/wish/247320656 3033861 https://padlet.com/3033861/ijqid290skns/wish/247321184 A tectonic boundary where two plates are moving away from each other and new crust is forming from magma that rises to the Earth's surface between the two plates.]]> 2018-03-29 16:34:38 UTC https://padlet.com/3033861/ijqid290skns/wish/247321184 3033861 https://padlet.com/3033861/ijqid290skns/wish/247321636 Transform boundaries are places where plates slide sideways past each other. At transform boundaries lithosphere is neither created nor destroyed. Many transform boundaries are found on the sea floor, where they connect segments of diverging mid-ocean ridges. California's San Andreas fault is a transform boundary.]]> 2018-03-29 16:36:05 UTC https://padlet.com/3033861/ijqid290skns/wish/247321636 3033861 https://padlet.com/3033861/ijqid290skns/wish/247322571 A fault is a crack in the Earth's crust. Typically, faults are associated with, or form, the boundaries between Earth's tectonic plates. In an active fault, the pieces of the Earth's crust along a fault move over time. The moving rocks can cause earthquakes.]]> 2018-03-29 16:38:36 UTC https://padlet.com/3033861/ijqid290skns/wish/247322571 3033861 https://padlet.com/3033861/ijqid290skns/wish/247323255 he upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.]]> 2018-03-29 16:40:34 UTC https://padlet.com/3033861/ijqid290skns/wish/247323255