PPT-The Earth’s Atmosphere

amp Ionosphere Dr Tiju Joseph Mathew Asst Professor Dept of Physics Christian College Chengannur The Earths Atmosphere amp Ionosphere The Ionosphere   The ionized part of Earths upper atmosphere. 1.1 A New View of Earth. answer # 1-5 (pg. 7).  . 1.2 The Earth System's Four Spheres. answer # 1-6 (pg. 12).  . 1.3 Cycles and the Earth. answer # 1-5 (pg. 18).  . Chapter review questions. answer # 9, 10, 11, 12, 15, 18, 19-23 (pgs. 22-23). And its effects on our planet Earth. What is the Atmosphere. ?. The . envelope of gases surrounding the earth or another planet. .. Earth’s atmosphere consists of 5 major layers. Troposphere. Stratosphere. NC Essential Standard:. Compare the composition, properties, and structure of Earth’s atmosphere to include: mixtures of gases and differences in temperatures and pressure within layers.. There are . and the Impact on Living Things. Earth’s Atmosphere. The gases that surround Earth (and other planets) make up the atmosphere. These gases are like an envelope that protects us from the radiation that is caused by the sun’s . Earth’s . protective bubble. NASA accessed via Wikipedia . compared to the size of the Earth (10. 4. km), the atmosphere is a thin shell (120 km).. . Earth’s Atmosphere. http://www.gsfc.nasa.gov/gsfc/earth/pinatuboimages.htm. 1.1 A New View of Earth. answer # 1-5 (pg. 7).  . 1.2 The Earth System's Four Spheres. answer # 1-6 (pg. 12).  . 1.3 Cycles and the Earth. answer # 1-5 (pg. 18).  . Chapter review questions. answer # 9, 10, 11, 12, 15, 18, 19-23 (pgs. 22-23). . General Characteristics. Composition- Gases, water vapour and dust particles. Structure: Layered structure, variation with altitude, latitude and seasons; Importance and characteristics of each layer.. 7. th. Grade . Choose Your Category!. Layers of. the Atmosphere. Heating the Earth. Climate Change. Characteristics. of the Atmosphere. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. Objectives. Describe the composition of Earth’s atmosphere.. Explain why air pressure changes with altitude.. Explain how air temperature changes with atmospheric composition.. Describe the layers of the atmosphere.. What is the atmosphere?. Definition: The envelope of gases surrounding planet Earth.. Why do we need the atmosphere?. The atmosphere provides protection for the planet from objects in space and contains gasses that help sustain life.. Ecology is the scientific study . of:. interactions . between organisms and the environment. . It is the study of the interactions . between: . different . groups of organisms. . It is the study of the interactions between:. How does the atmosphere support life?. The atmosphere allows us to breathe. Many different types of organisms need oxygen to perform life processes. Plants require carbon dioxide to undergo photosynthesis. . 7.5 Composition and Structure of the Atmosphere What is the composition of Earth’s Atmosphere? SC.6.E.7.9, LA.6.2.2.3 Composition of Earth’s Atmosphere The atmosphere is the protective covering of Earth. It keeps Earth warm and protects it from c.. 70 km (. c.. 43 mi), characterized by a relatively constant composition of its component gases. Air above a region of surface high pressure is more dense than air above . a region of surface low pressure (at the same temperature). .