https://padlet.com/304353/eosqcsnmcvat Science Period:3 en-us 2018-01-30 18:30:48 UTC 2018-01-31 03:31:23 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Planets.png 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226256702 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.]]> 2018-01-30 18:34:55 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226256702 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226258151 2018-01-30 18:37:28 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226258151 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226259011 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.]]> 2018-01-30 18:38:56 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226259011 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226259848 2018-01-30 18:40:16 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226259848 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226260214 Under certain conditions, living things can leave behind impressions of themselves in the form of fossils. ]]> 2018-01-30 18:40:56 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226260214 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226263764 2018-01-30 18:46:52 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226263764 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226264071 Petrified wood is the name given to a special type of fossilized remains of terrestrial vegetation.]]> 2018-01-30 18:47:21 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226264071 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226264311 2018-01-30 18:47:46 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226264311 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226264526 A fossil trackway is a type of trace fossil, a trackway made by an organism.]]> 2018-01-30 18:48:09 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226264526 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226266475 2018-01-30 18:51:12 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226266475 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226267070 A mold is the impression and void that an organism or organism's body or body part leaves in the sediment]]> 2018-01-30 18:52:06 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226267070 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226267633 2018-01-30 18:53:04 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226267633 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226268330 2018-01-30 18:54:07 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226268330 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226383853 2018-01-31 00:40:00 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226383853 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226383934 Fossils are fundamental to the geologic time scale. Rocks formed during the Phanerozoic Eon may have fossils of complex animals and plants such as dinosaurs, mammals, and trees. We study Earth's history by studying the record of past events that is preserved in the rocks.]]> 2018-01-31 00:40:36 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226383934 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226384107 2018-01-31 00:41:40 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226384107 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226384340 Before analyzing the arguments advanced by creation “scientists” for a very young Earth, I here summarize briefly the evidence that has convinced scientists that the Earth is 4.5 to 4.6 billion years old.

]]> 2018-01-31 00:42:58 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226384340 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226384673 2018-01-31 00:45:10 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226384673 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226384764 Even if fossils in amber are not useful for extracting dinosaur blood from for cloning purposes, despite what Jurassic Park may have you believe, they still preserve amazing snapshots of life millions of years ago. Amber is fossilized tree resin, a sticky, viscous substance secreted by plants in order to protect them from pests and predators.]]> 2018-01-31 00:45:51 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226384764 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387156 2018-01-31 01:05:05 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387156 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387238 With the passage of time and the accumulation of more particles, and often with chemical changes, the sediments at the bottom of the pile become rock.]]> 2018-01-31 01:05:45 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387238 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387404 2018-01-31 01:07:11 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387404 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387440 law of superposition. noun. Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.]]> 2018-01-31 01:07:29 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387440 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387487 2018-01-31 01:07:54 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387487 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387544 By using the basic principles of atmospheric circulation and analogies from present circulation patterns, it is possible to construct qualitative atmospheric circulation models on paleogeographic maps.]]> 2018-01-31 01:08:23 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387544 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387687 2018-01-31 01:09:07 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387687 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226387934 The Cenozoic Era is the most recent of the three major subdivisions of animal history. The other two are the Mesozoic and Paleozoic Eras. The Cenozoic spans only about 65 million years, from the end of the Cretaceous Period and the extinction of non-avian dinosaurs to the present. The Cenozoic is sometimes called the Age of Mammals, because the largest land animals have been mammals during that time.]]> 2018-01-31 01:10:50 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226387934 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226388524 2018-01-31 01:15:47 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226388524 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226388561 Petrified fossils form when minerals replace all or part of an organism. Water is full of dissolved minerals. It seeps through the layers of sediment to reach the dead organism. When the water evaporates, only the hardened minerals are left behind.]]> 2018-01-31 01:16:03 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226388561 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226398122 2018-01-31 02:24:09 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226398122 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226398363 a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.]]> 2018-01-31 02:26:11 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226398363 304353 https://padlet.com/304353/eosqcsnmcvat/wish/226407182 2018-01-31 03:31:19 UTC https://padlet.com/304353/eosqcsnmcvat/wish/226407182