https://padlet.com/3048801/l5nkqo6pouzf en-us 2018-01-22 21:58:17 UTC 2018-01-23 01:57:15 UTC hello@padlet.com 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223579792 The geologic time scale is a system of chronological dating that relates geological strata to time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing

]]> 2018-01-22 21:59:29 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223579792 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223579845 In geology and related fields, a stratum is a layer of sedimentary rock or soil, or igneous rock that were formed at the earth's surface, with internally consistent characteristics that distinguish it from other layers.

]]> 2018-01-22 21:59:44 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223579845 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223579899 The Rock Cycle is a group of changes. Igneous rock can change into sedimentary rock or into metamorphic rock. Sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into igneous or sedimentary rock. Igneous rock forms when magma cools and makes crystals.

]]> 2018-01-22 21:59:58 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223579899 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223579977 A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, hair, petrified wood, oil, coal, and DNA remnants.

]]> 2018-01-22 22:00:19 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223579977 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580051 The history of Earth concerns the development of planet Earth from its formation to the present day. Nearly all branches of natural science have contributed to the understanding of the main events of Earth's past. The age of the Earth is approximately one-third of the age of the universe.]]> 2018-01-22 22:00:37 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580051 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580109 Half-Life is a series of first-person shooter games developed and published by Valve. The major installments feature protagonist Gordon Freeman, a theoretical physicist who battles an alien invasion

]]> 2018-01-22 22:00:55 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580109 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580172 Radiometric dating or radioactive dating is a technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed.

]]> 2018-01-22 22:01:12 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580172 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580244 Radiocarbon dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon

]]> 2018-01-22 22:01:35 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580244 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580336 Radioactive decay (also known as nuclear decay orradioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron.

]]> 2018-01-22 22:01:51 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580336 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580427 The age of the Earth is approximately 4.54 ± 0.05 billion years (4.54 × 10⁹ years ± 1%).^[1][2][3][4] This dating is based on evidence from radiometric age-dating of meteorite^[5] material and is consistent with the radiometric ages of the oldest-known terrestrial.

]]> 2018-01-22 22:02:07 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580427 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580503 Mercury is the smallest and innermost planet in the Solar System. Its orbital period around the Sun of 88 days is the shortest of all the planets in the Solar System. It is named after the Roman deity Mercury, the messenger to the gods.

]]> 2018-01-22 22:02:26 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580503 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580606 Venus is the second planet from the Sun, orbiting it every 224.7 Earth days. It has the longest rotation period of any planet in the Solar System and rotates in the opposite direction to most other planets. It has no natural satellites

]]> 2018-01-22 22:02:41 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580606 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580775 Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4 billion years ago.

]]> 2018-01-22 22:03:19 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580775 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580823 Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

]]> 2018-01-22 22:03:30 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580823 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580877 Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a giant planet with a mass one-thousandth that of the Sun, but two-and-a-half times that of all the other planets in the Solar System combined.

]]> 2018-01-22 22:03:42 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580877 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580940 Saturn trine Uranus in the natal chart brings an harmonious blend of change and stability in your life. You can work well within the rules and regulations, while still being able to enjoy personal freedoms and develop your own unique creative style

]]> 2018-01-22 22:03:57 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580940 3048801 https://padlet.com/3048801/l5nkqo6pouzf/wish/223580990 Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. 

]]> 2018-01-22 22:04:10 UTC https://padlet.com/3048801/l5nkqo6pouzf/wish/223580990