Terms : Hide Images
| 7135620990 | core | the innermost zone of Earth's interior, composed mostly of iron and nickel, It includes a liquid outer layer and a solid inner layer | 0 | |
| 7135622610 | mantle | The layer of hot, solid material between Earth's crust and core. contains magma | 1 | |
| 7135622862 | magma | molten rock | 2 | |
| 7135623063 | asthenosphere | The layer of Earth located in the outer part of the mantle, composed of semi-molten rock. | 3 | |
| 7135623602 | lithosphere | A rigid layer made up of the uppermost part of the mantle and the crust. | 4 | |
| 7135623769 | crust | The thin, outermost layer of the earth, or the uppermost part of the lithosphere. | 5 | |
| 7135624182 | hot spot | a place where molten material from Earth's mantle reaches the lithosphere | 6 | |
| 7135625524 | plate techtonics | theory that explains how huge blocks of Earth's crust called "plates" move | 7 | |
| 7135626290 | Tectonic cycle | the sum of the processes that build up and break down the lithosphere | 8 | |
| 7135626602 | subduction | process by which one tectonic plate slips beneath another tectonic plate | 9 | |
| 7135626836 | volcano | A vent or fissure in the Earth's surface through which magma and gases are expelled | 10 | |
| 7135629042 | divergent plate boundary | An area beneath the ocean where tectonic plates move away from each other. | 11 | |
| 7135629230 | seafloor spreading | Formation of new oceanic crust due to the upwelling of magma at mid-ocean ridges. | 12 | |
| 7135629486 | convergent plate boundary | An area where plates move toward one another and collide. | 13 | |
| 7135629744 | transform fault boundary | an area where tectonic plates move sideways past each other | 14 | |
| 7135629908 | fault | A break or crack in Earth's lithosphere along which the rocks move | 15 | |
| 7135630050 | seismic activity | The frequency and intensity of earthquakes experienced over time | 16 | |
| 7135630378 | fault zone | A large expanse of rock where a fault has occurred. | 17 | |
| 7135630650 | earthquake | sudden violent shaking of the earth's ground caused by movement of the crust | 18 | |
| 7135630864 | epicenter | Point on Earth's surface directly above an earthquake's focus | 19 | |
| 7135631149 | Richter scale | a scale that measures the largest ground movement that occurs during an earthquake | 20 | |
| 7135631277 | rock cycle | the series of processes that change one type of rock into another type of rock | 21 | |
| 7135632139 | igneous rock | rock formed when magma or lava cools and hardens | 22 | |
| 7135632571 | intrusive igneous rock | rock formed from the cooling and solidification of magma beneath Earth's surface | 23 | |
| 7135632915 | extrusive igneous rock | rock that forms from the cooling and solidification of lava at Earth's surface | 24 | |
| 7135633153 | fracture | a crack that occurs in rock as it cools | 25 | |
| 7135633962 | sedimentary rock | rock formed when particles of rock and organic material are pressed and cemented together | 26 | |
| 7135634191 | metamorphic rock | rock that has changed as a result of heating and pressure | 27 |
