PPT-History of Life On Earth

1 Geological Time Scale 2 Major Episodes in History of Life 3 Extinctions and Radiations Today s OUTLINE Geology plays an Important role in Evolutionary Thinking Patterns of extinctions and evolutionary change in the fossil record were among the main influences on. Formation of the Solar System. Formation of the Solar System. Scientists claim that 4.5 billion years ago there was just a featureless cloud of . gas..mostly. hydrogen and some helium with a little carbon and iron. Do you REALLY believe?. ?. ?. . All the planets of the solar system came out of the Sun!!. Humans have been able to peep into the mantle!!. All the Interior of the Earth is in molten state!!. The Earth has only one North Pole!!. Key terms:. Solstice: day when the sun appears farthest North or South of the equator. Northern hemisphere receives the most sunlight of the year around June 21 on the summer solstice.. Phase: shape of the moon you see from Earth.. An Introduction to Ch 11&12. Regions of the Earth. The Earth is made up predominantly of two major regions:. A predominantly molten, central core. A mostly solid outer mantle and crust. Hydrosphere and Crust . NS3310 - Physical Science Studies. Geologic Time. Relative Time. Law of Superposition. Uniformitarianism. Unconformities. Absolute Time. Radiometric Datine. Earth History. Hopscotch Through Geologic Time. The Earth is divided into three layers based on the compounds that makeup each layer. They are:. 1. Crust. 2. Mantle. 3. Core. The Crust. The Crust is the :. 1. outer most layer of the Earth.. 2. It is the thinnest layer.. The Sun. What physical features do you notice?. How does the Sun compare to the Earth and Moon?. What does the Sun provide for the Earth?. Physical Characteristics of the Sun. Sunspots. Solar Flare. The Layers of the Earth. The Earth is an oblate spheroid – the . Solid Earth. . . It is composed of a number of . different layers. as determined by deep drilling and . seismic. evidence.. The Four Basic Layers. Big Point #1 - Earth has 4 major components or spheres.. What are they?. B.P. . #1. Earth has 4 components -- . “. spheres. ”. . Solid (. “. lithosphere. ”. - rock but also has a more specific meaning). The Sun-Earth-Moon System. The relationships between the Sun, Moon, and Earth are important to us in many ways. . The Sun-Earth-Moon System. The Sun provides light and warmth, and it is the source of most of the energy that fuels our society. . determine. the Earth’s environment?. Does life simply live on an environmentally static Earth, or does life determine the Earth’s environment?. If life changes on the Earth, the conditions on Earth won’t change. What is Heaven?. Heaven is the place from which we were created (our long awaited home land) for which we were created and through our Lord Christ, it was opened to us once again. The door of heaven was shut to us after the fall but was made available to us again after Christ came.. Conditions on early Earth made the Origin of Life possible.. Current theory about how life on Earth began.. Earth formed about 4.6 billion years ago.. Earth was too hot and still being bombarded by meteors, any water evaporated.. We will delve into the intricacies of taxes on life insurance in the UK, exploring the rules and regulations that govern this important aspect of financial planning.