This timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet earth. Actually, the idea for earth day evolved over a period of seven years starting in 1962. The geologic time scale we use to study the history of the earth and of it life forms is commonly referred to as deep time, and its a concept perhaps as difficult to conceive as deep space. In its earliest stage of formation, it was uninhabitable as it clumped from a cloud of dust. Students will create a timeline of earth history in the classroom and learn about major changes to the earth and life through time. A timeline for the very early history of the earth. The history of planet earth how do people reconstruct and date events in earths planetary history. The 25 biggest turning points in earths history bbc earth. The table of geologic time spans, presented here, agree with the nomenclature, dates and standard color. Earth day 1970 gave a voice to an emerging public consciousness about the state. These are the questions i am most frequently asked. In its earliest stage of formation, it was uninhabitable as it clumped from a cloud of dust since about 1,000,000,000 years. To compare the dynamic relationship between earths conditions and the diversity of its organisms. Geological timeline activity manhattan beach unified.
The geologic time scale gts is a system of chronological dating that relates geological strata stratigraphy to time. To describe earths vast history, scientists use a geologic timescale. Tidal locking causes one side of the moon to face the earth permanently. Water vapour was released into the earths atmosphere by volcanism. Shows every major empire, kingdom and civilization for the past 5000 years. Remember how the universe was spinning and made the sun.
In order to be able to find life outside our earth, we have to. Zecharia sitchin has proposed a theory about the creation of the earth, based on the. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the geologic time scale. Five known ice ages have influenced life on earth, comprising of both glacial and interglacial periods. When you come to an important event in earths history, write it on the sheet using a felttip pen. Oct 21, 2019 earths beginnings can be traced back 4. In the very beginning of earths history, this planet was a giant, red hot, roiling, boiling sea of molten rock a magma ocean. After columbus sailed and constantinople fell, europeans continued to search out trading routes and thinkers. To download one of the pdf or word files below, rightclick controlclick on a mac the link and choose save file as or save link as. Numbers of sheets required are provided in a table at the back of this pack. Origin and evolution of earth research questions for a changing planet questions about the origins and nature of earth have long preoccupied human thought and the scientific endeavor. The age range reflects a controversy in the geologic community. Students also answers the provided discussion questions. The earth has evolved changed throughout its history, and will continue to evolve.
Geological timeline challenge paleontological society. The sixth book of the earth chronicles by zecharia sitchin, this is the real historical timeline of our planet. The geologic time scale subdivided into eons, eras, periods and epochs. Timeline of the evolutionary history of life wikipedia. Understanding how humans are affecting earths system requires a better grasp on the natural cycles and events that have shaped our planet through deep time. Nance encyclopedia of life support systems eolss figure 1. Matt baker is raising funds for timeline of world history poster projects of earth on kickstarter. Adams synchronological chart of universal history outlines the evolution of mankind from adam and eve to 1871, the year of its first edition.
Sep 30, 2014 understanding how humans are affecting earths system requires a better grasp on the natural cycles and events that have shaped our planet through deep time. The evolution and complete timeline of life on earth. A scale model means that the timeline accurately depicts different lengths of time. Animated timeline of the earths history business insider. Dec 10, 2016 in the very beginning of earth s history, this planet was a giant, red hot, roiling, boiling sea of molten rock a magma ocean.
The layers of rock at earths surface contain evidence of the evolutionary processes undergone by these components of the terrestrial environment during. In the past, ice ages have triggered mass extinction events on earth and threaten to do the same in the future as well. A beautiful early example of visualizing the flow of history, sebastian c. The earth formed over 50 myr via planetesimal accretion. Geological timeline in this pack you will find information and activities to help your class grasp the concept of geological time, just. The prehistoric periodor when there was human life before records. In this earth s history lesson, students research the history of life on earth and use the information collected to create a timeline.
Earth day is 7 hours long34 earths original hydrogen and helium atmosphere escapes earths gravity. The geologic time scale we use to study the history of the earth and of it life forms is commonly. Impacting comets and asteroids might have contributed organic molecules to earth. The entire history of the human race on a single page. Nov 06, 2017 these key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the geologic time scale. Timeline of world history poster projects of earth by. These impact cleared small bodies out of the inner solar system so the rate of impacts dropped off by 150 million years. The biological, geological, and climatic events listed appear in reverse chronological order, with the oldest event at the bottom. Select and print images of the events described below.
A recreation can be found and closely examined at the david rumsey map collection, which allows you to zoom in on any part of the original timeline, which stretched to 23 feet in length and was designed for schoolhouses as a onestop shop for all of history. We are going to make a scale model of earths history. Geologic dates are in millions of years ma and indicate the beginning of each time division. The history of earth every year on april 22, earth day marks the anniversary of the birth of the modern environmental movement in 1970. Earth day is 7 hours long34 earth s original hydrogen and helium atmosphere escapes earth s gravity. Art history timeline art periods movements dates chief artists and major works characteristics historical events mesopotamia ancient near east 3500 bce 636 bce chapter 2 sumerian 2700 bce sumerian votive offerings, standard of ur, ziggurat of ur, bull lyre warrior art and narration in stone relief sumerians invent writing 3400. The history of the world isnt easily condensed, but the timeline here does a good job of hitting the high notes and most significant events of roughly 4,000 years from the beginnings of hinduism to the freeing of nelson mandela. It is used by geologists, paleontologists, and other earth scientists to describe the timing and relationships of events that have occurred during earth s history.
Dust left over from the birth of the sun clumped together. Travel through deep time with this interactive earth. The layers of rock at earths surface contain evidence of the evolutionary processes undergone by these components of the terrestrial environment during the times at which each layer was formed. They divide it into long segments of time called eras. History of earth timeline pdf written by desain rumah saturday, january 16, 2016 add comment edit.
Geologic history of earth, evolution of the continents, oceans, atmosphere, and biosphere. As daniel rosenberg and anthony grafton describe it in their book cartographies of time. The history of earth day by senator gaylord nelson, founder of earth day the 30th anniversary of earth day will arrive on april 22, 2000. History of the earth geologic time 5e unit pdf free download. To create a model of the entire history of the earth. Evolutionary processes give rise to diversity at every level of biological organization, from. Dense metals sank to the centre of the earth and formed the core, while the outside layer cooled and solidified to form the earths crust.
Arrange the events in the appropriate position along the timeline. Life probably arose about 3800 million years ago, although the earliest fossil evidence we have is 3500 million years old. Walk the timeline with your child and examine how earths environment has changed over time. Earth day was established in 1970 and has become a worldwide holiday celebrated by over 1 billion people. This is the most commonly accepted date for the creation of the earth. The history of planet earth how do people reconstruct and date events in earth s planetary history. Using the timeline of significant events in earth history. The heat from impact of incoming bodies kept the entire earth molten. Jan 16, 2016 history of earth timeline pdf written by desain rumah saturday, january 16, 2016 add comment edit. The heat had been generated by the repeated high speed collisions. Paper timeline today, you will create a scale timeline of earths history on a long sheet of adding machine paper scale.
In the beginning of earths history, asteroids were constantly hitting the earth. Make a timeline along a wall or sidewalk that is 25 feet long. Ancient history 100,000 to 800 bc 100,000 20,000 bc first modern homo sapiens in africa about 100,000 bc. The geological timeline introduces the question, what of the future. This work appeared in english in 1883 under the title an epitome of ancient, medieval and modern history. Here are the 25 biggest milestones in earths history. This was called the heavy bombardment phase and ended 3. The oldest rocks on earth, zircon crystals, have been dated to 4,200 million years.
Part a earth history timeline cards pdf acrobat pdf 66kb jul23 15 word microsoft word 2007. Age of the earth creating a timeline to help understand the millions and billions of years of earths history summary the earth is around 4. All of the times that we are going to deal with in this lab are in millions of years ago mya. Other questions to answer with the earth timeline how often do asteroids hit earth. D people sometimes influence earths natural processes on purpose by speeding them up, slowing. Since about 1,000,000,000 years ago, earth had its first signs of life. Then the actual timeline of life is revealed, usually to. In the beginning, survival was difficult for any life forms. Before christ, or the christian era the earth comes into existence.
Nance encyclopedia of life support systems eolss where e is the energy, m is the mass, and c is the speed of light 300 000 km s. In its earliest stage of formation, it was uninhabitable as it clumped from a cloud of dust since about 1,000,000,000 years ago, earth had its first signs of life. The first eon in earth s history, the hadean, begins with the earth s formation and is followed by the archean eon at 3. Origin and evolution of earth national academies press. In biology, evolution is any change across successive generations in the heritable characteristics of biological populations. As we prepare to mark 50 years of earth day in 2020, lets take a look at the last halfcentury of mobilization for action. C earths history goes back billions of years, and a lot of changes, both fast and slow, have taken place over that period of time. When you come to an important event in earth s history, write it on the sheet using a felttip pen.
It is used by geologists, paleontologists, and other earth scientists to describe the timing and relationships of events that have occurred during earths history. In this earths history lesson, students research the history of life on earth and use the information collected to create a timeline. Galvanized by the mounting evidence of environmental damage due to pollution and inspired. Timeline of earth history qfiles the online library. The earth formed through the collection of planetesimals over a period of 50 100 million years. In the beginning of earth s history, asteroids were constantly hitting the earth. Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earths resources, and. Participants guess when various kinds of organisms first developed in the history of earth. Timeline of world history poster projects of earth by matt. After the big bang, floating space debris compacted in some areas to form asteroids, solar systems, stars, and even planets as aweinspiring as our planet earth.
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