Thursday, January 9, 2014

Green House Gases

What is meant by green house gases when we are discussing global warming? Please name as many as you can find.  Do we need these gases? 



44 comments:

  1. Yes we need green house gasses. Green house gasses beet up the sun rays.

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  2. Green house gasses trap the sun rays making the atmosphere warm therefore heating our earth creating global warming.

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    1. Water vapor (H
      2O)
      Carbon dioxide (CO2)
      Methane (CH
      4)
      Nitrous oxide (N
      2O)
      Ozone (O
      3)
      CFCs

      Are some of the names.

      Delete
  3. We need Green House Gases so it won't be hot all of the time.

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  4. greenhouse gases are gases that we cause like emissions from cars. We need them and don't particular need them but they are useful in getting to where we go and they keep out earth temperature livable.

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    Replies
    1. other gases are nitrous oxide, methane, and fluorinated gases

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  5. We need greenhouse gasses so it won't be hot all year round.

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  6. Yes we do need green house gasses and here's why, they make it so that it is not always hot.

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  7. We need greenhouse gasses so it won't be hot all year round.

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  8. No, we don't need greenhouse gases because they are the reason there is global warming. Greenhouse Gases beat up Sun Beams!!!!!



    http://www.youtube.com/watch?v=mmshBXv27r4

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  9. yes so that gases wont be hot the hole year round

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  10. Yes we need them because they keep our earth livable.

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  11. Well Green House Gases trap the sun rays, it heats up the Earth making global warming. Global warming's bad. So I don't think we need green house gases.

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  12. Water Vapor, methane, and that's all I could find.

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  13. Green House gasses are caused by car emissions and the o-zone layer allows more sun beams to enter and the green house gases traps in the infered beams heating up the Earth.

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  14. Green house gasses, are gasses that come from the sun, and stay trapped into the surface. Yes we do need green house gasses for extra warmth.

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  15. it heats the Earth

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  16. Green house gases are getting trapped in the Earth's atmosphere, causing global warming. I think we need them so it won't be hot year-round.

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  17. Greenhouse gasses are the things that thicken our atmosphere. The primary gasses in the atmosphere are Co2, water vapor, and methane. We don't need too much or too little.

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  18. keeps the earth nice and warm

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  19. Green houses trap the harmful rays which causes global warming. It is bad (global warming).

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  20. Green house gases causes global warming. Co2, No2, various compounds, Sf6, H2o (gas) O3, and probably more. (I obviously got this from the internet.) And yes we would need greenhouse gases, but at the moment, we have too much, and too much is a problem.

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  21. Green house gases causes global warming. Co2, No2, various compounds, Sf6, H2o (gas) O3, and probably more. And yes we would need greenhouse gases, but at the moment, we have too much and it is a problem

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  22. co2 ceeps erf niese and warm

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  23. Gareth BThursday, January 09, 2014
    Yes we need green house gasses. Green house gasses beet up the sun rays.

    Reply

    Katie N.Thursday, January 09, 2014
    Yes.

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    Replies

    Katie N.Thursday, January 09, 2014
    Water Vapor, methane, and that's all I could find.

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    Lauren B.Thursday, January 09, 2014
    Green house gasses trap the sun rays making the atmosphere warm therefore heating our earth creating global warming.

    Reply
    Replies

    Lauren B.Thursday, January 09, 2014

    Water vapor (H
    2O)
    Carbon dioxide (CO2)
    Methane (CH
    4)
    Nitrous oxide (N
    2O)
    Ozone (O
    3)
    CFCs

    Are some of the names.

    Reply

    Casey KThursday, January 09, 2014
    We need Green House Gases so it won't be hot all of the time.

    Reply

    Leslie KThursday, January 09, 2014
    greenhouse gases are gases that we cause like emissions from cars. We need them and don't particular need them but they are useful in getting to where we go and they keep out earth temperature livable.

    Reply
    Replies

    Leslie KThursday, January 09, 2014
    other gases are nitrous oxide, methane, and fluorinated gases

    Reply

    Mya NThursday, January 09, 2014
    We need greenhouse gasses so it won't be hot all year round.

    Reply

    Brendan SThursday, January 09, 2014
    Yes we do need green house gasses and here's why, they make it so that it is not always hot.

    Reply

    Samantha LThursday, January 09, 2014
    We need greenhouse gasses so it won't be hot all year round.

    Reply

    Ben S.Thursday, January 09, 2014
    No, we don't need greenhouse gases because they are the reason there is global warming. Greenhouse Gases beat up Sun Beams!!!!!



    http://www.youtube.com/watch?v=mmshBXv27r4

    Reply

    Brandon GThursday, January 09, 2014
    yes so that gases wont be hot the hole year round

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    Evan LThursday, January 09, 2014
    Yes we need them because they keep our earth livable.

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    Wyatt RThursday, January 09, 2014
    Well Green House Gases trap the sun rays, it heats up the Earth making global warming. Global warming's bad. So I don't think we need green house gases.

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    BlazeThursday, January 09, 2014
    Green House gasses are caused by car emissions and the o-zone layer allows more sun beams to enter and the green house gases traps in the infered beams heating up the Earth.

    Reply

    Sydney GillyThursday, January 09, 2014
    Green house gasses, are gasses that come from the sun, and stay trapped into the surface. Yes we do need green house gasses for extra warmth.

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    EthanGThursday, January 09, 2014
    it heats the Earth

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    Julia MThursday, January 09, 2014
    Green house gases are getting trapped in the Earth's atmosphere, causing global warming. I think we need them so it won't be hot year-round.

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    Noah RThursday, January 09, 2014
    Greenhouse gasses are the things that thicken our atmosphere. The primary gasses in the atmosphere are Co2, water vapor, and methane. We don't need too much or too little.

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    vinnyThursday, January 09, 2014
    keeps the earth nice and warm

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    Jacob GThursday, January 09, 2014
    Green houses trap the harmful rays which causes global warming. It is bad (global warming).

    Reply

    Ella T.Thursday, January 09, 2014
    Green house gases causes global warming. Co2, No2, various compounds, Sf6, H2o (gas) O3, and probably more. (I obviously got this from the internet.) And yes we would need greenhouse gases, but at the moment, we have too much, and too much is a problem.

    ReplyDelete
  24. The most significant greenhouse gas is actually water vapor, not something produced directly by humankind in significant amounts. However, even slight increases in atmospheric levels of carbon dioxide (CO2) can cause a substantial increase in temperature.

    Why is this? There are two reasons: First, although the concentrations of these gases are not nearly as large as that of oxygen and nitrogen (the main constituents of the atmosphere), neither oxygen or nitrogen are greenhouse gases. This is because neither has more than two atoms per molecule (i.e. their molecular forms are O2 and N2, respectively), and so they lack the internal vibrational modes that molecules with more than two atoms have. Both water and CO2, for example, have these "internal vibrational modes", and these vibrational modes can absorb and reradiate infrared radiation, which causes the greenhouse effect.

    Secondly, CO2 tends to remain in the atmosphere for a very long time (time scales in the hundreds of years). Water vapor, on the other hand, can easily condense or evaporate, depending on local conditions. Water vapor levels therefore tend to adjust quickly to the prevailing conditions, such that the energy flows from the Sun and re-radiation from the Earth achieve a balance. CO2 tends to remain fairly constant and therefore behave as a controlling factor, rather than a reacting factor. More CO2 means that the balance occurs at higher temperatures and water vapor levels.

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    Replies
    1. http://www.nmsea.org/Curriculum/Primer/Global_Warming/fossil_fuels_and_global_warming.htm

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  25. we need some but not to many so that we do not have global warming.
    loganm

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  26. The most significant greenhouse gas is actually water vapor, not something produced directly by humankind in significant amounts. However, even slight increases in atmospheric levels of carbon dioxide (CO2) can cause a substantial increase in temperature.

    Why is this? There are two reasons: First, although the concentrations of these gases are not nearly as large as that of oxygen and nitrogen (the main constituents of the atmosphere), neither oxygen or nitrogen are greenhouse gases. This is because neither has more than two atoms per molecule (i.e. their molecular forms are O2 and N2, respectively), and so they lack the internal vibrational modes that molecules with more than two atoms have. Both water and CO2, for example, have these "internal vibrational modes", and these vibrational modes can absorb and reradiate infrared radiation, which causes the greenhouse effect.

    Secondly, CO2 tends to remain in the atmosphere for a very long time (time scales in the hundreds of years). Water vapor, on the other hand, can easily condense or evaporate, depending on local conditions. Water vapor levels therefore tend to adjust quickly to the prevailing conditions, such that the energy flows from the Sun and re-radiation from the Earth achieve a balance. CO2 tends to remain fairly constant and therefore behave as a controlling factor, rather than a reacting factor. More CO2 means that the balance occurs at higher temperatures and water vapor levels.

    ReplyDelete
  27. Carbon dioxide (CO2),Methane (CH4),Nitrous oxide (N2O),Fluorinated gases For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in the atmosphere, on average, and how strongly it absorbs energy.
    http://www.epa.gov/climatechange/ghgemissions/gases.html

    ReplyDelete
  28. The most significant greenhouse gas is actually water vapor, not something produced directly by humankind in significant amounts. However, even slight increases in atmospheric levels of carbon dioxide (CO2) can cause a substantial increase in temperature.

    Why is this? There are two reasons: First, although the concentrations of these gases are not nearly as large as that of oxygen and nitrogen (the main constituents of the atmosphere), neither oxygen or nitrogen are greenhouse gases. This is because neither has more than two atoms per molecule (i.e. their molecular forms are O2 and N2, respectively), and so they lack the internal vibrational modes that molecules with more than two atoms have. Both water and CO2, for example, have these "internal vibrational modes", and these vibrational modes can absorb and reradiate infrared radiation, which causes the greenhouse effect.

    Secondly, CO2 tends to remain in the atmosphere for a very long time (time scales in the hundreds of years). Water vapor, on the other hand, can easily condense or evaporate, depending on local conditions. Water vapor levels therefore tend to adjust quickly to the prevailing conditions, such that the energy flows from the Sun and re-radiation from the Earth achieve a balance. CO2 tends to remain fairly constant and therefore behave as a controlling factor, rather than a reacting factor. More CO2 means that the balance occurs at higher temperatures and water vapor levels.

    ReplyDelete
  29. Green house gases are carbon dioxide which comes from burning fossil fuels. We do not need green house gases in such large amounts as we have now. For that causes global warming and glaciers to melt leading to more water that also can possibly dry out.

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  30. we may need some but only a little so the sun beams dont get killed and we have rotting corpses around the sun and so daddy doesent get mad when he puts a ice cube in his drink.

    ReplyDelete
  31. Carbon dioxide (CO2),Methane (CH4),Nitrous oxide (N2O),Fluorinated gases For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in the atmosphere, on average, and how strongly it absorbs energy.
    http://www.epa.gov/climatechange/ghgemissions/gases.html

    ReplyDelete
  32. methane (CH4), which is nothing else than the cooking gas we use in our stoves,

    Nitous oxyde (N2O), the scholarly name for..... laughing gas (which is not so much amusing here),

    ozone (O3), which molecule comprises 3 oxygen atoms (the molecules of the "regular" oxygen gas have only 2 atoms of oxygen).

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  33. Green house gases are carbon dioxide which comes from burning fossil fuels. We do not need green house gases in such large amounts as we have now. For that causes global warming and glaciers to melt leading to more water that also can possibly dry out.

    ReplyDelete
  34. Carbon dioxide (CO2),Methane (CH4),Nitrous oxide (N2O),Fluorinated gases For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in the atmosphere, on average, and how strongly it absorbs energy.
    http://www.epa.gov/climatechange/ghgemissions/gases.html

    ReplyDelete
  35. It is smoke from tobacco and and car gas fire smoke chemicals pesticides.

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  36. we may need some but only a little so the sun beams dont get killed and we have rotting corpses around the sun and so daddy doesent get mad when he puts a ice cube in his drink.

    ReplyDelete
  37. Carbon dioxide (CO2),Methane (CH4),Nitrous oxide (N2O),Fluorinated gases For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in the atmosphere, on average, and how strongly it absorbs energy.
    http://www.epa.gov/climatechange/ghgemissions/gases.html

    ReplyDelete
  38. Green house gases are mad from co2 we think we may need some but only a little since the amount we have now are trapping to many uv rays.

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  39. green house grasses trap rase in the earth making global warming some gasses are cols co2 ch2 h2o and n2o !

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  40. Green house gasses, are gasses that come from the sun, and stay trapped into the surface. Yes we do need green house gasses for extra warmth.

    ReplyDelete

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