earth science by Angel Alvarado https://padlet.com/3047741/hyb9p1h9bnky en-us 2018-02-01 01:12:06 UTC 2018-02-01 02:30:37 UTC hello@padlet.com Principle of uniformitarianis 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226865052 Uniformitarianism is defined in the authoritative Glossary of Geology as "the fundamental principle or doctrine that geologic processes and natural laws now operating to modify the Earth's crust have acted in the same regular manner and with essentially the same intensity throughout geologic time]]> 2018-02-01 01:14:11 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226865052 Principle of superposition 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226866154 In physics and systems theory, the superposition principle, also known as superposition property, states that, for all linear systems, the net response caused by two or more stimuli is the sum of the responses that would have been caused by each stimulus individually.]]> 2018-02-01 01:20:39 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226866154 Mold and Cast fossils 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226866355 Organisms buried in sediment may decay or dissolve away leaving a cavity or mold. If the space is subsequently filled with sediment, an external cast can be made.]]> 2018-02-01 01:21:24 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226866355 Petrification Fossils 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226866478 Petrified wood is the name given to a special type of fossilized remains of terrestrial vegetation.]]> 2018-02-01 01:22:05 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226866478 Footprints and Trackways Fossils 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226871600 A fossil trackway is a type of trace fossil, a trackway made by an organism]]> 2018-02-01 01:53:35 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226871600 Fossil is an impression left by the original organism 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226871968 Molds]]> 2018-02-01 01:55:03 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226871968 History of rock and fossils 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226872579 As early as the mid-1600's, the Danish scientist Nicholas Steno studied the relative positions of sedimentary rocks.]]> 2018-02-01 01:58:50 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226872579 = 3047741 https://padlet.com/3047741/hyb9p1h9bnky/wish/226875651 2018-02-01 02:22:15 UTC https://padlet.com/3047741/hyb9p1h9bnky/wish/226875651