3,2,1 . . .Blast off!

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3,2,1 . . .Blast off!

• Please take a new objective sheet and pass them
  out!

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Weather or Climate??

• Whats the difference?

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Weather or Climate?

• On the nightly newsdo you watch the weather
  report or the climate report?

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Weather or Climate?

• Weather- What is happening in the atmosphere at a
  particular place at a particular moment
• Climate-the average weather in an area over long
  period of time

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What Determines Climate?

• Latitude
• Air Circulation
• Ocean Currents
• Local Geography

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• Latitude-the distance from the equator
• Affects how much solar energy an area receives

Photo nsidc.org
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• Atmospheric Circulation Patterns
• Solar energy heats the ground
• warm air rises cool air moves to replace it
  wind
• Determines precipitation patterns

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• Ocean Circulation Patterns
• Water holds great amounts of heat
• Wind moves water
• Cold water sinks, warm water rises

Photo razvanfassbender
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• Local Geography -height above sea-level
• Mountain ranges influence precipitation

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What Creates the Seasons?

• Watch BrainPOP video Seasons
• The Earths orbit around the sun
• The Earth is tilted about 23 degrees

Photo astros4business
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Houstons climate
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Houstons Climate

• Close to equator year-long growing season, no
  real winter period, less dramatic seasonal
  daylight changes
• Gulf of Mexico humidity moderates temperature

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Climate Change
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Major Greenhouse gases

• Carbon dioxide CO2

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Methane CH4
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N2O Nitrous Oxide
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Water!
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• Carbon dioxide CO2

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Check for understanding

• Name the 3 green house gases.
• What human activities create CO2?
• Is the greenhouse effect beneficial or negative?
• What energy type reaches the earth from the sun?
• Why doesnt the suns heat warm up the Earth?