plates moving toward one another - convergent plate, a diagram that shows what the inside of something looks like - cross section, plates moving away from one another - divergent plate, evidence of life from the past (bones, footprints, leaf prints) - fossil, the layer of soft, solid rock underneath Earth's plates - mantle, an extinct reptile that lived 300 million years ago - Mesosaurus, the complete disappearance of a species - extinct, Earth's outermost layer of hard, solid rock that is underneath the soil vegetation, and water - outer layer, one of the very large sections of hard, solid rock that makes up Earth's outer layer - plate, the place where two plates meet - plate boundary, the slow pulling apart of land that is caused by plate movement - rifting, a long, deep indentation in the ocean floor formed when two plate move into one another - trench, plates sliding alongside one another - transform plate, the movement of continents resulting from the motion of the tectonic plates - continental drift, a scientist who specializes in the study of life forms that existed in previous geologic periods - Paleontologist, a supercontinent that incorporated almost all the landmasses on Earth. - Pangea, a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface - seismic wave, the outermost layer of a planet - crust, where Earth's tectonic plates dive back into the mantle - subduction zone, a long narrow piece of rock obtained by drilling into a rock with a special tool that lifts out a part of the rock - core sample,

Plate Motion Vocabulary

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