PPT-EARTH

SUN and Moon Interactions How does what happens up there Affect what happens down here Understanding Climate and Weather What Why and How Guide Questions Why do we have night and day. Phases are different views of the Moon’s sunlit half. The Lunar phases are the lit & unlit portions of the moon you see from Earth.. Light from the sun reflected by the Moon’s surface. The Moon’s position in its monthly orbit determines how it appears from Earth.. 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. or . What we . (think we) know . about the . composition and evolution . of the Earth and how we know it.. William M. White. Cornell University. Outline. Meteorites, Chondrites and Chondritic . Abundances. 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.. Chapter 3. Earth-Sun Relationship. Chapter 3 – Section 1. Weather . Weather. – the condition of the atmosphere in one place during a limited period of . time. Ex. : looking out the window to see if you need an umbrella means you’re checking the weather. Sky Part II. Depending on the relative sizes and distances of the Sun and a moon, you might see an eclipse like this: . Sun. planet. moon. Solar Eclipses. Or you might see an eclipse like this:. Sun. 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 . 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.. Change . . Fig. 2, p. 312. Chapter Objectives. Weather, climate & climate basics . Climate change through geologic time. Ice ages. Present day climate change. Table 9.1. I. Weather & Climate. Unit 5 lesson 1. https://youtu.be/. KUU7IyfR34o. . I. Earth’s Days, Years, and Seasons. Vocabulary . Rotation. Day. Revolution. Year. Season. Equinox. solstice. What determines the length of a day?. Presented by Kesler Science. What are the main characteristics of the Earth’s layers?. How can the Earth’s layers be illustrated?. Essential Questions:. Earth's Layers. Earth’s Crust. The outer layer of the Earth. 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. Geological Time Scale. AIM: . How have stratigraphy and radiometric dating been used to construct the geological time scale?. The History of Earth. Earth’s history has been studied through 2 methods:.