Timeline of the Universe (1 Year Calculator) Time on Timeline Time

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Timeline of the Universe (1 Year Calculator) Time on Timeline Time in Reality Event 1 January 15 billion years ago Beginning of universe Early Jan-Mid March 12-14.7 billion years ago Birth of solar system Early September 5 billion years ago Birth of Sun and planets 25 December 225 million years ago Mammals appear on Earth 29 December 65 million years ago Extinction of dinosaurs, more mammals appear 30 December 5 million years ago First Ancestors of man appear 31 December 11:53:00 pm (23:53:00) 195,000 years ago Homo Sapiens appears 31 December 11:59:52 pm (23:59:52) 4300 years ago Building of Stonehenge 31 December 11:59:59 pm (23:59:59) Around 400 years ago Invention of the Telescope https://commons.wikimedia.org/wiki/File:Cosmic_Calendar.png Event Number of Years Ago Number of Days Ago on Date/Time on Calendar Calculator The Big Bang 13.7 billion 365 days Jan 1, 12am Formation of stars & galaxies 13 billion (roughly) 365 days plus 15 min Jan 1, 12:15am Formation of the thin disk of 9 billion (roughly) 240 days May 6 the Milky Way Galaxy Formation of the Solar System 4.56 billion 122 days Sept. 1 Formation of the Moon 4.5 billion (roughly) 120 days Sept. 3 Birth of life on Earth 3.8 billion (roughly) 101 days Sept. 22 First cells develop on Earth 2 billion (roughly) 53 days Nov. 9 First Vertebrates 520 million (roughly) 14 days Dec. 18 First Dinosaurs 230 million 6 days Dec. 26 First Mammals 200 million (roughly) 5 days Dec. 27 Death of Dinosaurs from 65 million 1.7 days Dec. 30 impact First Humans (homo-sapiens) 200,000 8 min Dec. 31, 11:52 pm Development of Agriculture 10,000 (roughly) 23 sec Dec. 31, 11:59:37 (farming) Development of the wheel for 6,500 (roughly) 15 sec Dec. 31, 11:59:45 transportation Invention of the telescope 400 1 sec Dec. 31, 11:59:59 Right Now 0 0 Dec. 31 midnight .

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Geological Timeline
Geological Timeline In this pack you will find information and activities to help your class grasp the concept of geological time, just how old our planet is, and just how young we, as a species, are. Planet Earth is 4,600 million years old. We all know this is very old indeed, but big numbers like this are always difficult to get your head around. The activities in this pack will help your class to make visual representations of the age of the Earth to help them get to grips with the timescales involved. Important EvEnts In thE Earth’s hIstory 4600 mya (million years ago) – Planet Earth formed. Dust left over from the birth of the sun clumped together to form planet Earth. The other planets in our solar system were also formed in this way at about the same time. 4500 mya – Earth’s core and crust formed. Dense metals sank to the centre of the Earth and formed the core, while the outside layer cooled and solidified to form the Earth’s crust. 4400 mya – The Earth’s first oceans formed. Water vapour was released into the Earth’s atmosphere by volcanism. It then cooled, fell back down as rain, and formed the Earth’s first oceans. Some water may also have been brought to Earth by comets and asteroids. 3850 mya – The first life appeared on Earth. It was very simple single-celled organisms. Exactly how life first arose is a mystery. 1500 mya – Oxygen began to accumulate in the Earth’s atmosphere. Oxygen is made by cyanobacteria (blue-green algae) as a product of photosynthesis.
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Geology Timeline
Red Rock Canyon NCA Environmental Education Program Geology Timeline Grades: 3-12 Objective: Demonstrate the relative distance of events in Estimated Time: 15-30 minutes time Standards Met: Procedure: 3-5 grade: Lead in to topic by discussing the age of the o Science E.5.C Students earth and how long students think various things understand that features on the of the surrounding area are. Earth's surface are constantly changed by a combination of Ask a chaperone to hold one end of the yarn to slow and rapid processes. mark the beginning of the earth. Explain that the earth is 4.6 billion years old, and that you’ll be 6-8 grade: doing an activity to get a better understanding of o Science E.8.C Students the age of everything around you. understand that landforms result from a combination of Have the students walk with you to when rocks constructive and destructive first appear on earth, 12 feet from the chaperone, processes. and mark it with tape or yarn. Explain that to 9-12 grade: scale this represents 600 million years and how o Science E.12.C Students geology is measured on a much larger scale that understand evidence for we are used to looking at things. processes that take place on a geological time scale. Note: Depending on your class, it may be helpful to have the measurements pre-marked on the Materials Needed: yarn before doing activity with students. Ball of yarn or twine Method for measuring Continue on as a group to the third point, when Brightly colored tape or contrasting life begins on earth, 16 feet from the chaperone.
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Geologic Timeline
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1St Term Worksheet Subject – Social Studies Class – IV Name : Sec
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