Teacher Explains
β¨ Introduction to Atmosphere
Good morning students! Today we are going to learn about an important topic in meteorology: the atmosphere. What is the atmosphere? It is a large blanket of air that surrounds the Earth. It is held in place by the Earth's gravity.
β¨ Composition of Atmosphere
The atmosphere is very important for life on Earth. It blocks harmful rays from the sun, keeps the Earth warm, and prevents extreme temperature changes between day and night. The air you breathe mainly contains nitrogen and oxygen. In addition, there is some argon, carbon dioxide, and water vapor.
β¨ Functions of Atmosphere
The atmosphere is not uniform. It is made up of different layers. As we go higher, the air pressure decreases, but the temperature changes differently. Thus, the atmosphere is divided into five parts: Exosphere, Thermosphere, Mesosphere, Stratosphere, and Troposphere. Let's learn about them one by one.