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Luke science vocab
4th grade quiz 4/10
| Term | Definition |
|---|---|
| earthquake | shaking of the ground caused by a seismic wave |
| erosion | movement of sediment from one location to another |
| fossil | the remains of an organism preserved in rock form |
| geologist | a scientist who studies what Earth is made of and how it changes over time |
| hot spot | in geology a plume of magma that causes eruptions through Earth's crust without plates interacting |
| igneous rock | rock made of magma or lava that has cooled and hardened |
| landslide | a form of mass movement in which large sections of a slope slides downhill all at once |
| lava | molten material from Earth's mantle |
| magma | molten material from Earth's mantle below Earth's surface |
| magnitude | the size or extent of an earthquake |
| mass movement | downhill movement of a mass of earth surface material |
| metamorphic rock | rock that forms when igneous or sedimentary rock is placed under tremendous heat or pressure |
| plate | in geology a large fragment of Earth's crust. and upper mantle |
| sediment | small pieces of rock or other hard material that has broken down over time |
| sedimentary rock | rock made of sediment compacted together |
| sinkhole | a hole in Earth's surface that develops when the ground collapses into space beneath it. |
| tsunami | a wave or series of waves caused by displaced water |
| volcano | an opening in Earth's crust through which lava erupts onto the surface |
| weathering | the process of breaking rock into smaller pieces |