Four Systems of  Our  Earth
Composition of Earth <ul><li>Earth Has 4 main systems that interact: </li></ul>Earth’s systems Atmosphere Hydrosphere Bios...
The Atmosphere– layer of gas that surrounds Earth more commonly known as  “ air ”.
Atmosphere.  How do you know its there <ul><li>Is this “air” that surrounds us considered matter? Does it weigh anything? ...
Weight of the atmosphere <ul><li>Gases are in the atmosphere. </li></ul><ul><li>They are things we learned about in the pe...
Even though you can’t see them, Atoms make up gases. <ul><li>Are some atoms bigger than others?  </li></ul><ul><li>Are the...
Helium vs. Carbon Dioxide Do you think of helium as light and floating or heavy and falling? Do you think about Carbon Dio...
Composition of Earth <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><...
Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere
Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </l...
Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </l...
<ul><ul><ul><ul><li>Contains most clouds and weather. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Temperature cools as yo...
Troposphere and Clouds <ul><li>Among other gases there is water vapor in the troposphere. </li></ul><ul><li>Clouds —form w...
Water Vapor Demonstration
Water Cycle Demo
<ul><li>Precipitation-falling  water  in the form of rain, freezing rain, sleet, snow, or hail </li></ul>
Section 2: Earth’s Weather Troposphere <ul><li>Weather —the atmosphere’s condition in terms of  temperature ,  cloud cover...
<ul><li>Temperature —a measure of how  fast   air molecules are moving. </li></ul><ul><ul><li>When molecules are moving ra...
<ul><li>What is the temperature like today? </li></ul><ul><li>Hot/ Cold ______________________ </li></ul><ul><li>Degrees F...
<ul><li>Energy  is transferred between fast-moving molecules and slower-moving molecules. </li></ul><ul><ul><li>Conduction...
<ul><li>Air  pressure — air weight that varies over Earth’s surface. </li></ul><ul><ul><li>Warmer air is less dense and ex...
Air Pressure Demonstration—Write about what you learned
<ul><li>Humidity — the amount of  water   vapor in the air </li></ul><ul><li>Temperature affects how much moisture is in t...
<ul><li>Dewpoint —when the air is holding as much water vapor as it  can </li></ul><ul><li>Relative humidity — a measure o...
THAT WAS ALL ABOUT THE TROPOSPHERE!!! <ul><li>Lets cover the other layers briefly. </li></ul><ul><li>Go back up to the gra...
Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </l...
Atmosphere Exosphere-- Thermosphere-- Mesosphere-  Stratosphere-- 10 km to 50 km ,  contains ozone that absorbs much of th...
Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </l...
Atmosphere Exosphere-- Thermosphere-- Mesosphere-  50-85 km, The coldest part of the atmosphere. It can get down to -90°C ...
Composition of  Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </...
Atmosphere Exosphere-- Thermosphere--  80-500 km, Temperatures increase up to 1,700°C, Filters out x-rays and gamma rays f...
Exosphere <ul><li>The last layer of the atmosphere </li></ul><ul><li>Difficult to tell where it stops and space begins </l...
Atmosphere Exosphere-- The last layer of the atmosphere, Difficult to tell where it stops and space begins, Very few atoms...
Ionosphere <ul><li>Within the mesosphere and thermosphere is a layer of electrically charged particles. This layer allows ...
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Atmosphere Powerpoint

  1. 1. Four Systems of Our Earth
  2. 2. Composition of Earth <ul><li>Earth Has 4 main systems that interact: </li></ul>Earth’s systems Atmosphere Hydrosphere Biosphere Geosphere water life land/rock Air/gases
  3. 3. The Atmosphere– layer of gas that surrounds Earth more commonly known as “ air ”.
  4. 4. Atmosphere. How do you know its there <ul><li>Is this “air” that surrounds us considered matter? Does it weigh anything? How do you know? </li></ul><ul><li>Think about it and decide on an answer. </li></ul><ul><li>Talk in groups with the person who sits by you </li></ul><ul><li>Be ready to tell the class what you decided and why. </li></ul>
  5. 5. Weight of the atmosphere <ul><li>Gases are in the atmosphere. </li></ul><ul><li>They are things we learned about in the periodic table: Nitrogen, Oxygen, Carbon Dioxide, Hydrogen </li></ul><ul><li>It is matter! Sound can travel through it. </li></ul>
  6. 6. Even though you can’t see them, Atoms make up gases. <ul><li>Are some atoms bigger than others? </li></ul><ul><li>Are their atomic weights all the same? </li></ul>
  7. 7. Helium vs. Carbon Dioxide Do you think of helium as light and floating or heavy and falling? Do you think about Carbon Dioxide as light and floating or heavy and falling….think about the gas released from dry ice… does it go up or down? http://jp.youtube.com/watch?v=F239cINIADs
  8. 8. Composition of Earth <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>Mostly Nitrogen and Oxygen  </li></ul></ul></ul><ul><ul><ul><li>Water vapor is responsible for clouds and precipitation </li></ul></ul></ul><ul><ul><ul><li>Has layers </li></ul></ul></ul><ul><ul><ul><li>Protects us from meteors and comets, x-rays, gamma rays, ultra violet light </li></ul></ul></ul><ul><ul><li>The Hydrosphere </li></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>
  9. 9. Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere
  10. 10. Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>layers </li></ul></ul></ul><ul><ul><ul><ul><li>Exosphere </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Thermosphere </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Mesosphere </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Stratosphere </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Troposphere </li></ul></ul></ul></ul><ul><ul><ul><ul><li>The Hydrosphere </li></ul></ul></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>Exosphere
  11. 11. Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>Troposphere </li></ul></ul></ul><ul><ul><ul><ul><li>Contains most clouds and weather. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Temperature cools as you go higher50% of sun’s energy passes through, 50% is reflected back. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Most of the troposphere’s heat is from Earth (convection) </li></ul></ul></ul></ul><ul><ul><ul><li>Stratosphere </li></ul></ul></ul><ul><ul><ul><li>Mesosphere </li></ul></ul></ul><ul><ul><ul><li>Thermosphere </li></ul></ul></ul><ul><ul><li>The Hydrosphere </li></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>Exosphere
  12. 12. <ul><ul><ul><ul><li>Contains most clouds and weather. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Temperature cools as you go higher50% of sun’s energy passes through, 50% is reflected back. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Most of the troposphere’s heat is from Earth (convection) </li></ul></ul></ul></ul>Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere--
  13. 13. Troposphere and Clouds <ul><li>Among other gases there is water vapor in the troposphere. </li></ul><ul><li>Clouds —form when air rises, cools to its dew point, and becomes saturated (moist). </li></ul>
  14. 14. Water Vapor Demonstration
  15. 15. Water Cycle Demo
  16. 16. <ul><li>Precipitation-falling water in the form of rain, freezing rain, sleet, snow, or hail </li></ul>
  17. 17. Section 2: Earth’s Weather Troposphere <ul><li>Weather —the atmosphere’s condition in terms of temperature , cloud cover, wind speed and direction, humidity, and air pressure. </li></ul><ul><li>What are different types of weather? ____________________________________________________________________________________________________________________________________________ </li></ul>
  18. 18. <ul><li>Temperature —a measure of how fast air molecules are moving. </li></ul><ul><ul><li>When molecules are moving rapidly, temperature is high. </li></ul></ul><ul><ul><li>Celsius and Fahrenheit thermometers measure air temperature. </li></ul></ul>Section 2: Earth’s Weather Troposphere
  19. 19. <ul><li>What is the temperature like today? </li></ul><ul><li>Hot/ Cold ______________________ </li></ul><ul><li>Degrees Fahrenheit_______________ </li></ul><ul><li>Degrees Celsius _________________ </li></ul>Section 2: Earth’s Weather Troposphere
  20. 20. <ul><li>Energy is transferred between fast-moving molecules and slower-moving molecules. </li></ul><ul><ul><li>Conduction—transfer of energy when molecules collide. </li></ul></ul><ul><li>Give an example of something heating up due to conduction: __________________________________ </li></ul><ul><ul><li>Convection occurs when warm air rises and cool air sinks. </li></ul></ul><ul><li>Give an example of something heating up due to convection: ___________________________________ </li></ul>Section 2: Earth’s Weather Troposphere
  21. 21. <ul><li>Air pressure — air weight that varies over Earth’s surface. </li></ul><ul><ul><li>Warmer air is less dense and exerts less pressure. </li></ul></ul><ul><ul><li>Cooler air is more dense and exerts more pressure. </li></ul></ul>Section 2: Earth’s Weather Troposphere
  22. 22. Air Pressure Demonstration—Write about what you learned
  23. 23. <ul><li>Humidity — the amount of water vapor in the air </li></ul><ul><li>Temperature affects how much moisture is in the air. </li></ul>
  24. 24. <ul><li>Dewpoint —when the air is holding as much water vapor as it can </li></ul><ul><li>Relative humidity — a measure of the amount of water vapor present compared to the amount that could be held at a specific temperature. </li></ul>
  25. 25. THAT WAS ALL ABOUT THE TROPOSPHERE!!! <ul><li>Lets cover the other layers briefly. </li></ul><ul><li>Go back up to the graphic organizer at the top of your notes and fill in info about each layer. </li></ul>Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere
  26. 26. Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>Troposphere </li></ul></ul></ul><ul><ul><ul><li>Stratosphere </li></ul></ul></ul><ul><ul><ul><ul><li>10 km to 50 km </li></ul></ul></ul></ul><ul><ul><ul><ul><li>contains ozone that absorbs much of the Sun’s ultraviolet radiation. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Gets warmer as you go up. </li></ul></ul></ul></ul><ul><ul><ul><li>Mesosphere </li></ul></ul></ul><ul><ul><ul><li>Thermosphere </li></ul></ul></ul><ul><ul><li>The Hydrosphere </li></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>
  27. 27. Atmosphere Exosphere-- Thermosphere-- Mesosphere- Stratosphere-- 10 km to 50 km , contains ozone that absorbs much of the Sun’s ultraviolet radiation. , Gets warmer as you go up. <ul><li>Troposphere- - Contains most clouds and weather. Most of the troposphere’s heat is from Earth Temperature cools about 6.5 degrees Celsius per kilometer of altitude. </li></ul>
  28. 28. Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>Troposphere </li></ul></ul></ul><ul><ul><ul><li>Stratosphere </li></ul></ul></ul><ul><ul><ul><li>Mesosphere </li></ul></ul></ul><ul><ul><ul><ul><li>50-85 km </li></ul></ul></ul></ul><ul><ul><ul><ul><li>The coldest part of the atmosphere. It can get down to -90°C in the mesosphere. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Thermosphere </li></ul></ul></ul></ul><ul><ul><li>The Hydrosphere </li></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>
  29. 29. Atmosphere Exosphere-- Thermosphere-- Mesosphere- 50-85 km, The coldest part of the atmosphere. It can get down to -90°C in the mesosphere. - Stratosphere-- 10 km to 50 km , contains ozone that absorbs much of the Sun’s ultraviolet radiation. , Gets warmer as you go up. <ul><li>Troposphere- - Contains most clouds and weather. Most of the troposphere’s heat is from Earth Temperature cools about 6.5 degrees Celsius per kilometer of altitude. </li></ul>
  30. 30. Composition of Earth’s atmosphere <ul><li>Earth Has 4 main systems that interact: </li></ul><ul><ul><li>The Atmosphere </li></ul></ul><ul><ul><ul><li>Troposphere </li></ul></ul></ul><ul><ul><ul><li>Stratosphere </li></ul></ul></ul><ul><ul><ul><li>Mesosphere </li></ul></ul></ul><ul><ul><ul><li>Thermosphere </li></ul></ul></ul><ul><ul><ul><ul><li>80-500 km </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Temperatures increase up to 1,700°C </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Filters out x-rays and gamma rays from the sun. </li></ul></ul></ul></ul><ul><ul><ul><ul><li>This is an image of the space shuttle as it is orbiting around the Earth. The space shuttle orbits in the thermosphere of the Earth. </li></ul></ul></ul></ul><ul><ul><li>The Hydrosphere </li></ul></ul><ul><ul><li>The Biosphere </li></ul></ul><ul><ul><li>The Geosphere </li></ul></ul>
  31. 31. Atmosphere Exosphere-- Thermosphere-- 80-500 km, Temperatures increase up to 1,700°C, Filters out x-rays and gamma rays from the sun. , This is an image of the space shuttle as it is orbiting around the Earth. The space shuttle orbits in the thermosphere of the Earth. Mesosphere-- The temperature drops when you go higher, like it does in the troposphere. Coldest part of the atmosphere Stratosphere-- from 10 km to 50 km above Earth’s surface, this layer contains ozone that absorbs much of the Sun’s ultraviolet radiation. <ul><li>Troposphere-- Contains most clouds and weather., Most of the troposphere’s heat is from Earth, Temperature cools about 6.5 degrees Celsius per kilometer of altitude. </li></ul>
  32. 32. Exosphere <ul><li>The last layer of the atmosphere </li></ul><ul><li>Difficult to tell where it stops and space begins </li></ul><ul><li>Very few atoms in this layer of the atmosphere </li></ul>
  33. 33. Atmosphere Exosphere-- The last layer of the atmosphere, Difficult to tell where it stops and space begins, Very few atoms in this layer of the atmosphere Thermosphere-- The air is really thin that high up. The temperature changes with the solar activity . If the sun is active, temperatures in the thermosphere can get up to 1,500°C or higher! Mesosphere-- The temperature drops when you go higher, like it does in the troposphere. Coldest part of the atmosphere Stratosphere-- from 10 km to 50 km above Earth’s surface, this layer contains ozone that absorbs much of the Sun’s ultraviolet radiation. <ul><li>Troposphere- - Contains most clouds and weather., Most of the troposphere’s heat is from Earth, Temperature cools about 6.5 degrees Celsius per kilometer of altitude. </li></ul>
  34. 34. Ionosphere <ul><li>Within the mesosphere and thermosphere is a layer of electrically charged particles. This layer allows radio waves to travel across the country to another city. </li></ul><ul><li>www.blo ust.com/henley </li></ul>
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