https://padlet.com/ceciliailopez5/j93frba4hjhghild “The good thing about science is that it's true whether or not you believe in it.” en-us 2021-09-26 23:44:16 UTC 2025-08-21 03:54:08 UTC hello@padlet.com ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1769421957 The Big Bang led to the creation of the whole universe. It provided us with the raw materials for everything around us today. ]]> 2021-09-27 00:16:45 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1769421957 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822602671 Eugen Goldstein (1850-1930) observed a cathode-ray tube in 1886 and found rays traveling in the opposite direction. Later, identified as positive charged ions called protons. ]]> 2021-10-17 23:09:07 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822602671 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822606675 Democritus (370 B.C-460 B.C) was a greek philosopher that said all matter is mad up of tiny particles called atoms, he said that they were divisible.]]> 2021-10-17 23:14:40 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822606675 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822615170 John Dalton (1766-1844) was an English chemist, physicist, and metrologist; known for introducing the atomic theory and that all elements are composed of tiny particles called atoms. ]]> 2021-10-17 23:25:03 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822615170 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822624934 J. J Thomson (1856-1940) was a British physicist and Nobel Laureate in Physics, used the cathode ray tube to discover electrons. ]]> 2021-10-17 23:36:58 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1822624934 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843197473 The Universe was dark and cold until a few atoms of hydrogen and helium got together and a star was born. With the birth of the first stars, a fantastic chain of events occurred that enabled a diversity of elements and chemistry.]]> 2021-10-25 23:17:50 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843197473 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843202067 When large stars died, and exploded into massive supernovae. This event scattered all the elements of the periodic table throughout the Universe.]]> 2021-10-25 23:20:49 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843202067 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843204098 The creation and evolution of life on Earth. The first evidence of life was discovered on this planet. We can only study life on our one planet. ]]> 2021-10-25 23:22:14 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843204098 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843205805 The creation and evolution of life on Earth. All this happened so long ago that we only study life on our planet. Also we see the evolution of our ancestors. ]]> 2021-10-25 23:23:28 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843205805 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843206749 Man evolved to become one of the main change on Earth's surface. We still don't understand what makes us so different from other living creatures. ]]> 2021-10-25 23:24:11 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1843206749 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916423610 Dmitri Ivanovich Mendeleev (1834-1907) was a Russian chemist and inventor, he formulated the Periodic Law and created a new version of the periodic table of elements.]]> 2021-11-28 16:46:19 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916423610 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916426188 Max Karl Ernst Ludwig Planck (1858-1947), was a German theoretical physicist, who discovered the quantum of action now known as Planck's constant.]]> 2021-11-28 16:49:37 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916426188 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916432541 Ernest Rutherford (1871-1937) was a New Zealand-born British physicist, who discovered the nuclear structure of the atom, discovered alpha and beta rays, and proposed the laws of radioactive decay. ]]> 2021-11-28 16:56:46 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916432541 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916434981 Niels Bohr (1885-1962) was a Danish physicist who proposed a model of the atom in which the electron was able to occupy only certain orbits around the nucleus.]]> 2021-11-28 16:59:49 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916434981 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916436862 Henry Moseley (1887-1915) was an English physicist, he discovered a systematic relation between wave- length and atomic number. ]]> 2021-11-28 17:02:04 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916436862 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916438871  Albert Einstein (1879-1955) was a German-born theoretical physicist, and he mathematically proved the existence of atoms.]]> 2021-11-28 17:04:16 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916438871 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916450616 Werner Karl Heisenberg (1901-1976) was a German theoretical physicist and one of the key pioneers of quantum mechanics. He proposed the "uncertainty relation". ]]> 2021-11-28 17:17:30 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916450616 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916452728 Erwin Schrödinger (1961-1887), was a Nobel Prize-winning Austrian-Irish physicist who formulated a wave equation that accurately calculated the energy levels of electrons in atoms.]]> 2021-11-28 17:20:07 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916452728 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916454268 Sir James Chadwick (1891-1974), was a British physicist who  proved the existence of neutrons.]]> 2021-11-28 17:22:09 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916454268 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916456769 Robert Millikan (1868-1953) was an American experimental physicist, who precisely determined the magnitude of the electron's charge.]]> 2021-11-28 17:25:09 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916456769 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916460612 Antoine-Laurent de Lavoisier(1743-1794), was a French nobleman and chemist who established the law of conservation of mass.]]> 2021-11-28 17:29:21 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916460612 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916463653 Irène Joliot-Curie (1897-1956) was a French chemist, physicist, and a politician of partly Polish ancestry. Along with her husband, Frédéric, she discovered the first-ever artificially created radioactive atoms. ]]> 2021-11-28 17:33:01 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916463653 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916464961 Louis Pasteur (1822-1895) was a French chemist and microbiologist. He discovered that microorganisms cause fermentation and disease.]]> 2021-11-28 17:34:49 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916464961 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916468220 Amedeo Avogadro (1776-1856) was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules.]]> 2021-11-28 17:38:39 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916468220 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916470122 Pierre Curie (1859-1906) was a French physicist, a pioneer in crystallography, magnetism, piezoelectricity, and radioactivity. Pierre and Marie Curie discovered the strongly radioactive elements polonium and radium, which occur naturally in uranium minerals.]]> 2021-11-28 17:41:05 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916470122 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916472339 Robert Boyle (1627–1691) was an Anglo-Irish natural philosopher, chemist, physicist, and inventor. He discovered that the volume of a gas decreases with increasing pressure and vice versa, the famous Boyle's law.]]> 2021-11-28 17:43:36 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1916472339 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922755744 Humans began farming and developed new and more complex ways of living. Agriculture was a way to increase the amount of the sun's energy that was used by us. This energy bonanza led to the creation of villages, of cities and of huge agrarian civilizations.]]> 2021-12-01 13:34:15 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922755744 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922761635 We call it the modern revolution because it created the world we currently live in. Globalization, increased innovation and new energy sources allowed us to build the largest and most complex societies that had ever existed.]]> 2021-12-01 13:36:38 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922761635 ceciliailopez5 https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922766091 This is a time where fossil fuels were no longer the prime source of energy used to power human society. It also talks about new ideas and future technology. ]]> 2021-12-01 13:38:25 UTC https://padlet.com/ceciliailopez5/j93frba4hjhghild/wish/1922766091