The chemistry of meteorites and sun provide constraints on the composition of the bulk of the earth. Manufacturing technologies of rareearthbased magnets. Mar 05, 2016 origin of life on earth evolution of life on earth adaptive radiation biological evolution origin and evolution of man timeline of evolution. Although the origin of life is often included in debates about evolution, it is a very different topic that does not have all the empirical evidence of biological. Introduction after centuries of philosophical speculation about the existence of worlds beyond our solar system, the. The configuration of the surface of the earth is largely a product of the processes operating in the interior of the earth. Nearly all branches of natural science have contributed to. Neither the pennsylvania state university nor jim manis, faculty. The origin and structure of the universe what is the universe made of. Our esti mates of composition are not much better than con. A free powerpoint ppt presentation displayed as a flash slide show on id.
Questions about the origins and nature of earth have long preoccupied human thought and the scientific endeavor. The following files are creation science and biblical apologetics seminars created in microsoft powerpoint that can be downloaded and used freely for teaching purposes. The history of earth concerns the development of planet earth from its formation to the present day. The early earths atmosphere the earth may have started with a hydrogen atmosphere which it could not hold on to for long. This portable document file is furnished free and without any charge of any kind.
The early earth s atmosphere the earth may have started with a hydrogen atmosphere which it could not hold on to for long. Find powerpoint presentations and slides using the power of, find free presentations research about theories of the origin of the earth ppt. In the following discussion of the interior of the earth, we will use facts from these sources to con sider layering, the existence of openings, and the physical state and composition of the rocks and minerals presumed to occur in the earth. Discover how astronomers use collective learning to put our planet in its proper place. The origin of water on earth, or the reason that there is. Earth science is the study of earth and the universe around it. The most important information about composition comes from looking around us in the solar system. Either alone or a combination of these energy sources caused reactions that. Ncert general science origin of life on earth the universe is very old almost billion years old. Origin of life begins with the origin of the universe. The interior of the earth can be understood only by indirect evidences as neither any one has nor any one can reach the interior of the earth. Copies of these textbooks may be downloaded and used as textbooks or for reference. On the origin of species by charles darwin is a publication of the pennsylvania state university.
And learn about earths drifting surface that causes earthquakes, volcanic. Because of the shallowness of the atmosphere, its motions over large areas are primarily horizontal. The layers of the earth this slide show is a minilesson on the layers of the earth. Ncert class 11 geography the origin and evolution of the earth. It explains the moons lower density, lack of iron and oxygen isotope ratios that are identical to earths apollo. Origin of the moon institute of astronomy, cambridge.
Origin of the universe the universe began about 14. If so, share your ppt presentation slides online with. The history of scientific thought about the formation and evolution of the solar system begins. Next education is an endtoend academic solution provider to schools. Spontaneous generation of life in primitive atmosphere.
The origin of the universe, earth, and life science and. The crust is truly an amazing and astonishing thing to learn and behold. The lava surface continued outgassing restoring the atmosphere. There are various scientific theories of origin and evolution of the earth. The magnetic field of the earth introduction studies of the geomagnetic. Microsoft powerpoint history of life on earth and classification. The conditions and the forms of life on earth were entirely different from what we see today. View and download powerpoint presentations on theories of the origin of the earth ppt.
Much of what we know about earths bulk composition was. Steiner t he origin of things has always been a central concern for humanity. The blinding light that was present in our region of space has long since traveled off to the far reaches of the universe. These notes will also be useful for other competitive exams like banking po, ssc, state civil services exams and so on. The presence of water on the young earth was confirmed when the zircons were analyzed for oxygen isotopes and the telltale signature of rocks that.
Our future lies in interpreting this geologic past by claude j. The crust is a very small fraction of earths mass, so it is not a very useful indicator of bulk composition. Although it is the most studied planet, it cannot be completely understood in isolation. Exogenic as well as endogenic processes are constantly shaping the landscape. The earth s relatively large natural satellite, the moon, is unique. New evidence suggests the moon formed even later, 4. Early theories origin of the earth a large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. The lava surface outgassed carbon dioxide, sulfur dioxide, water and ammonia.
Between the two there were hired kinglets, overlords, and a bourgeoisie, sham from beginning to end, which served as gobetweens. Conference organizers constructed the program to allow time for. But the processes by which planets, stars, galaxies, and the universe form and change over time are also types of evolution. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Origin and evolution of earth national academies press. Introduction several attempts have been made from time to time to explain the origin of life on earth.
The magnetic field of the earth massachusetts institute of. The earth formed at about the same time as the other terrestrial planets in the inner part of the solar system as it cooled. It is not only the study of the earth as we see it today, but the history of the earth as it has evolved to. Early theories origin of earth nebular hypothesis 1796. As a result, there are several theories which offer their own explanation on the possible mechanism of origin of life. The origin of the universe, earth, and life the term evolution usually refers to the biological evolution of living things. The origin and the evolution of the earth authorstream. Chapter 10origin of the elements 102 the nuclear reactions that formed 4he from neutrons and protons were radiative capture reactions. View and download powerpoint presentations on theories of origin of life ppt. Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earths resources, and. In 1796, a mathematician pierresimon laplace reexamined it. Life originated in water bodies by chemical evolution. As we have said at the beginning, it is natural that man should have made many attempts to answer the question, what is the origin of this planet on which we find.
Formation of moon, supply of water, evolution of atmosphere, plate tectonics, snowball earth. The focus is on limestones and dolostones and the sediments from which they are derived. The most important information about composition comes from looking around us. History of the earth simple english wikipedia, the free. Jeans postulated certain axioms self proved facts as given below. Four and a half billion years ago, the young earth was a hellish placea seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid. Yet the most fundamental origin of them all would seem to be the origin of the universe as a whole of everything that exists. Click for next slide what are the layers of the earth. The origin and the evolution of the earth authorstream presentation. The study of the origin, history, processes, and structure of the solid earth.
Free neutrons and protons fused to deuterium d or 2h with the excess energy emitted as a 2. Notes origin and evolution of life and introduction. Here, let us know in brief about the origin of life on earth. Composition and structure of the atmosphere composition evolution vertical structure. Jeffrey taylor hawaii institute of geophysics and planetology about scientists met december, 1998, in monterey, california, to share ideas about the formation and very early history of the earth and moon. Theories of the origin of the earth ppt xpowerpoint. Deciphering the planets history and processes could improve the ability to predict catastrophes like earthquakes and volcanoes, to manage earth s resources, and. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Geologic history of the earth is the property of its rightful owner. The origin and evolution of earth from big bang to where did earth s water e from live science ppt early earth the origin of life ch 26 powerpoint the origin of universe scholastic deep earth carbon offers clues on origin of life ppt origin of the earth s atmosphere powerpointppt origin of the earth.
High temperature, lightening and solar radiations provided energy required for chemical reactions. The origin of life on the earth by oparin, aleksandr ivanovich, 18941980. Origin of the moon the earth moon system the moon orbits the earth at a moon 385,000 km with an eccentricity of 0. But light from distant parts of the universe is just now arriving here at earth, billions of years after the big bang. Notes origin and evolution of life and introduction to. It includes not only the surface process which have shaped the earth s surface, but the study of the ocean floors, and the interior of the earth. Demonology engraftedwordchurch page4 copyright2010j. Roll the dice to discover someplace new, take a guided tour with voyager, and create. The various solutions are adequately provided to the specific needs of.
The crust is a very small fraction of earth s mass, so it is not a very useful indicator of bulk composition. Earth developed continents and water perhaps even oceans and environments in which microbial life could emerge 4. Origin and evolution of life and introduction to classification biology notes fig. Immanuel kant, a german philosopher gave this theory. It is not only the study of the earth as we see it today, but the history of the earth. One of the earlier and popular arguments was by german philosopher immanuel kant. The first 4 billion years of earth s history, from its formation to the first appearance of shelly fossils 545 million years ago, is known as the precambrian see figure 1. Find powerpoint presentations and slides using the power of, find free presentations research about theories of origin of life ppt.
Ppt geologic history of the earth powerpoint presentation. Students will learn that 60% of the words in the english language come from greeklatin roots and that there are powerful decoding skills that come from knowledge of these roots and word derivation. Origin of earth scientific and engineering theories and. 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. Pdf the question on origin of the universe and big bang. Astr 380 the history of the earth university of maryland. Any person using this document file, for any purpose, and in any way does so at his or her own risk. The approach is general and universal and draws heavily on fundamental discoveries, arresting interpretations, and keystone syntheses that have been developed over the last five decades. Impurities in the acloud form mars and the moon later captured by earth, impurities in the. During the collision that created the moon all of this atmosphere was lost. The question on origin of the universe and big bang.
During the apollo program, rocks from the moons surface were brought to earth. This slide describes various theories about origin of the earth, like nebular theory, big. Everything evolved from one form to another for a better chance of survival. This textbook provides an overview of the origin and preservation of carbonate sedimentary rocks. This is an instructional tool to introduce students to the concept of etymology word origin. The earth in the universe ocr w richards the weald school evidence for the age of the earth the structure of the earth tectonic theory another example of. Ppt the earth in the universe powerpoint presentation. The planets where formed out of a cloud of material associated with a youthful sun, which was slowly rotating. Origin and evolution of earth the national academies press. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. A compressed zip file is also available for many, which includes the embedded videos and other ancillary files.