https://padlet.com/304907/ude0sz2c96ir Made with wonder en-us 2018-04-26 15:27:55 UTC 2026-01-18 13:25:02 UTC hello@padlet.com 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255698429 Igneous rock (derived from the Latin word ignismeaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava.]]> 2018-04-26 15:30:05 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255698429 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255699497 Rock that has formed through the deposition and solidification of sediment, especially sedimenttransported by water (rivers, lakes, and oceans), ice ( glaciers ), and wind. Sedimentary rocks are often deposited in layers, and frequently contain fossils. Note : Limestone and shale are common sedimentary rocks.]]> 2018-04-26 15:32:16 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255699497 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255700440 metamorphic rock definition. Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase. Note : Examples are marble, which can be formed from limestone, and slate, which is formed from shale.]]> 2018-04-26 15:34:04 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255700440 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255701544 an idealized cycle of processes undergone by rocks in the earth's crust, involving igneous intrusion, uplift, erosion, transportation, deposition as sedimentary rock, metamorphism, remelting, and further igneous intrusion.]]> 2018-04-26 15:36:23 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255701544 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255702013

wear away or change the appearance or texture of (something) by long exposure to the air."his skin was weathered almost black by his long outdoor life"

synonyms: | weather-beaten, worn; More

]]> 2018-04-26 15:37:25 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255702013 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255703262 the process of eroding or being eroded by wind, water, or other natural agents.]]> 2018-04-26 15:40:00 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255703262 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255704598 In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rockthat were formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers.]]> 2018-04-26 15:42:34 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255704598 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255705083 a process of altering a metal by heating it in contact with a powdered solid, especially a former method of making steel by heating iron in contact with charcoal.]]> 2018-04-26 15:43:32 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255705083 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255705803 compaction. (kəm-pāk'shən) The process by which the porosity of a given form of sediment is decreased as a result of its mineral grains being squeezed together by the weight of overlying sediment or by mechanical means. The American Heritage® Science Dictionary.]]> 2018-04-26 15:44:44 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255705803 304907 https://padlet.com/304907/ude0sz2c96ir/wish/255706412 the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock]]> 2018-04-26 15:45:55 UTC https://padlet.com/304907/ude0sz2c96ir/wish/255706412