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Changing Earth Part 1 Notes

Changing Earth Part 1 Notes. LT.CE1- I can detail the layers of the Earth’s atmosphere. Earth’s atmosphere is 78% nitrogen, 21% oxygen, and 1% argon and other gases. The atmosphere is organized into five layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

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Changing Earth Part 1 Notes

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  1. Changing Earth Part 1 Notes

  2. LT.CE1-I can detail the layers of the Earth’s atmosphere. • Earth’s atmosphere is 78% nitrogen, 21% oxygen, and 1% argon and other gases. • The atmosphere is organized into five layers: troposphere, stratosphere, mesosphere, thermosphere, and exosphere. • Troposphere- The layer that goes from Earth’s surface up to ~11km. This is where weather occurs.

  3. Stratosphere- The second layer that contains the ozone layer. This blocks most of the harmful radiation from the sun. • Mesosphere- The third layer of the atmosphere. • Thermosphere- The thickest layer of the Earth’s atmosphere. Space shuttles, ISS, and satellites orbit the Earth in this layer. Temperatures can reach 3,600o F due to solar radiation.

  4. Exosphere- the last, thin layer of atmosphere. Some satellites can be found in this layer.

  5. LT.CE2- I can explain the forces that change Earth’s atmosphere • Global warming, weather, air pollution, and the Coriolis Effect all take place in the atmosphere. • Global warming is small gradual changes to the temperature. These small changes can change weather patterns. • All of the energy for weather comes from the sun. Weather patterns drastically effect local temperature.

  6. Air pollution can locally increase air temperature, but the biggest risk to it is pollution that deteriorates the ozone layer, which increases the amount of harmful radiation that reaches the Earth. • Coriolis effect is caused by the Earth’s rotation. This mainly makes weather systems turn to their right in the Northern hemisphere and turn to their left in the Southern hemisphere.

  7. LT.CE3- I can explain the forces that change Earth’s surface. • There are many constructive and destructive forces that change the Earth’s surface. • Constructive forces make new landforms on the surface of the Earth, the major constructive forces are: plate tectonics (mountain formation, earthquakes, and volcanoes)and deposition (river deltas and sandbars).

  8. Destructive forces work to tear down existing landforms. The major destructive forces are: glacial retreat, weathering, and erosion. • Some landforms affected by destructive forces: Grand Canyon, Red River Gorge, and Carter Caves.

  9. LT.CE4- I can analyze data about Earth’s surface or atmosphere and make predictions.

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