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2010atmopshere-lawtonpass-compositionearth-platetechtonics-100104122812-phpapp01.pdf
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- 2. Composition of Earth Earth Has 4 main systems that interact: Earth’s systems Atmosphere Hydrosphere Biosphere Geosphere water life land/rock Air/gases
- 3. The Atmosphere– layerof gas that surrounds Earth more commonly known as “air”.
- 4. Atmosphere. How do youknow its there Is this “air” that surrounds us considered matter? Does it weigh anything? How do you know? Think about it and decide on an answer. Talk in groups with the person who sits by you Be ready to tell the class what you decided and why.
- 5. Weight of theatmosphere Gases are in the atmosphere. They are things we learned about in the periodic table: Nitrogen, Oxygen, Carbon Dioxide, Hydrogen It is matter! Sound can travel through it.
- 6. Even though youcan’t see them, Atoms make up gases. Are some atoms bigger than others? Are their atomic weights all the same?
- 7. Helium vs. CarbonDioxide 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=F239
- 8. Composition of Earth Earth Has 4 main systems that interact: The Atmosphere Mostly Nitrogen and Oxygen Water vapor is responsible for clouds and precipitation Has layers Protects us from meteors and comets, x-rays, gamma rays, ultra violet light The Hydrosphere The Biosphere The Geosphere
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- 10. Composition of Earth’satmosphere Earth Has 4 main systems that interact: The Atmosphere layers Exosphere Thermosphere Mesosphere Stratosphere Troposphere The Hydrosphere The Biosphere The Geosphere Exosphere
- 11. Composition of Earth’satmosphere Earth Has 4 main systems that interact: The Atmosphere Troposphere Contains most clouds and weather. Temperature cools as you go higher50% of sun’s energy passes through, 50% is reflected back. Most of the troposphere’s heat is from Earth (convection) Stratosphere Mesosphere Thermosphere The Hydrosphere The Biosphere The Geosphere Exosphere
- 12. Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere-- Contains most cloudsand weather. Temperature cools as you go higher50% of sun’s energy passes through, 50% is reflected back. Most of the troposphere’s heat is from Earth (convection)
- 13. Troposphere and Clouds Among other gases there is water vapor in the troposphere. Clouds—form when air rises, cools to its dew point, and becomes saturated (moist).
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- 16. Precipitation-falling water in theform of rain, freezing rain, sleet, snow, or hail
- 17. Section 2: Earth’sWeather Troposphere Weather—the atmosphere’s condition in terms of temperature, cloud cover, wind speed and direction, humidity, and air pressure. What are different types of weather? ___________________________________ ___________________________________ ___________________________________ ___________________________________
- 18. Temperature—a measureof how fast air molecules are moving. When molecules are moving rapidly, temperature is high. Celsius and Fahrenheit thermometers measure air temperature. Section 2: Earth’s Weather Troposphere
- 19. What isthe temperature like today? Hot/ Cold ______________________ Degrees Fahrenheit_______________ Degrees Celsius _________________ Section 2: Earth’s Weather Troposphere
- 20. Energy istransferred between fast-moving molecules and slower-moving molecules. Conduction—transfer of energy when molecules collide. Give an example of something heating up due to conduction: __________________________________ Convection occurs when warm air rises and cool air sinks. Give an example of something heating up due to convection: ___________________________________ Section 2: Earth’s Weather Troposphere
- 21. Air pressure—air weight that varies over Earth’s surface. Warmer air is less dense and exerts less pressure. Cooler air is more dense and exerts more pressure. Section 2: Earth’s Weather Troposphere
- 22. Air Pressure Demonstration— Writeabout what you learned
- 23. Humidity— theamount of water vapor in the air Temperature affects how much moisture is in the air.
- 24. Dewpoint—when theair is holding as much water vapor as it can Relative humidity— a measure of the amount of water vapor present compared to the amount that could be held at a specific temperature.
- 25. THAT WAS ALLABOUT THE TROPOSPHERE!!! Lets cover the other layers briefly. Go back up to the graphic organizer at the top of your notes and fill in info about each layer. Atmosphere Exosphere-- Thermosphere-- Mesosphere-- Stratosphere-- Troposphere
- 26. Composition of Earth’satmosphere Earth Has 4 main systems that interact: The Atmosphere Troposphere Stratosphere 10 km to 50 km contains ozone that absorbs much of the Sun’s ultraviolet radiation. Gets warmer as you go up. Mesosphere Thermosphere The Hydrosphere The Biosphere The Geosphere
- 27. Atmosphere Exosphere-- Thermosphere-- Mesosphere- Stratosphere--10 km to50 km , contains ozone that absorbs much of the Sun’s ultraviolet radiation. , Gets warmer as you go up. 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.
- 28. Composition of Earth’satmosphere Earth Has 4 main systems that interact: The Atmosphere Troposphere Stratosphere Mesosphere 50-85 km The coldest part of the atmosphere. It can get down to -90°C in the mesosphere. Thermosphere The Hydrosphere The Biosphere The Geosphere
- 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. 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.
- 30. Composition of Earth’s atmosphere Earth Has 4 main systems that interact: The Atmosphere Troposphere Stratosphere Mesosphere 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. The Hydrosphere The Biosphere The Geosphere
- 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. 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.
- 32. Exosphere The lastlayer of the atmosphere Difficult to tell where it stops and space begins Very few atoms in this layer of the atmosphere
- 33. Atmosphere Exosphere--The last layerof 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. 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.
- 34. Ionosphere Within themesosphere and thermosphere is a layer of electrically charged particles. This layer allows radio waves to travel across the country to another city. www.blo ust.com/henley