The atmosphere
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The atmosphere

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The atmosphere The atmosphere Presentation Transcript

  •  The atmosphere is the air around the Earth. We find rain, cloud, fog and wind in the atmosphere. Earth’s atmosphere make life possible.
  •  The atmospheric is made of many gases. It contains in three forms: a gas, called vapour, ice crystals and droplets. Nitrogen 78%. Oxygen 21%. Other gases 1%. Other gases: Argon, neon, kypton and xenon, and harmful chemicals like nitrogen dioxide.
  •  The TROPOSPHERE is where weather occurs. You brea the the air in the troposphere. Many airplanes fly in the STRATOSPHERE because it is very stable. Many rocks fragment from space burn up in the MESOSPHERE. The THERMOSPHERE is very thin. The upper limit of four atmospkere is the EXOSPHERE.
  •  A tiny number of gases in the atmosphere can trap heat around the Earth. The traced gases regulate the climate. Not all the heat we feel on Earth comes from the Sun. As Earth warms up, it gives heat as low-energy infared rays. The greenhouse gases trap most of infared rays. Without greenhouse gases, Earth’s surface temperature would -18.
  •  THE CONSEQUENCES… 1. Our glaciers are melting. 2. Our cities are flooding. WE NEED TO MAKE A CHANGE. 1. Recycle and reuse. 2. Consider alternative energy methods. GLOBAL WARMING is when the greenhouse effect gets stronger, the Earth’s average temperature rises.
  •  Most governments are worried about rising greenhouse gas levels in the atmosphere, and the effect they may have.
  • 1. Switching off the lights when leaving a room.2. Turning down your central healting thermostat by as littel as one degree.
  •  Francesc Mortes. Andreu Morera. Jaume Gil. Gerard Montes.