PPT-Earth day

April 22 2015 For many Earth Day is simply a day that comes and goes but the meaning behind the day is about much more than just planting a few trees The day represents a future for generations to come and keeping the environment we all occupy healthy and sustainable. 1 miles , . 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?. Standard. . S6E5. Students will investigate the scientific view of how the earth’s surface is formed. . a. Compare and contrast the Earth’s crust, mantle, and core including temperature, density, and composition. . Mrs. Horn. Science. 2015. Day and Night. Earth’s axis is an imaginary line that runs through Earth.. It passes through the North and South poles.. Earth rotates (spins) on its axis. (Like a spinning top). 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.. Earth’s gravity pulls objects toward the center of Earth.. No matter where you stand on Earth. The direction of down will be toward Earth’s center.. As Earth turns, so do we. Earth rotates around on an imaginary lime running through its center called an “axis of rotation”.. The . Sun. Is HOT!!!. The sun is an . average . star . The heat and light are the result of . Nuclear Reactions . constantly taking place in the sun.. It is in the . center. of our solar system. . Comparison . 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.. Year 7 Science. Chapter 2.2 page 343. (2) . Name one thing that is currently pulling you with . a strong . gravitational force.. The . Earth is currently exerting a strong gravitational pull. . (3) . 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. Oblate Spheroid. Bulges in. the middle. Earth’s Shape. 1. Right distance from the Sun. 2. Right amount of water. 3. Right amount of atmosphere. Why Does Earth Have Life?. The . rotation. of the Earth lasts for . Air pollution. Water pollution. Overpopulation. Erosion of soil. Climate change. Introduction of genetically modified species.. Destruction of biodiversity.. Devastation of natural habitats.. Diminishing natural resources.. Montessori and the importance of Sustainability “ An education capable of saving humanity is no small undertaking; it involves the spiritual development of man, the enhancement of his value as an