Bellwork: August 28th Write Agree or Disagree.

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Bellwork August 28th Write Agree or Disagree.

1. A rotation of the Earth takes one year.
2. One year is 356 days.
3. One spin on the Earths axis takes 24 hours.
4. Currently, it is winter in Australia.
5. In areas near the equator, it is always warm.

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Notes from Ch. 2 section 1

• Turn to page 26.
• The earth spins on its axis, which is a imaginary
  rod going through the North and South poles.
• One rotation 24 hours. (gives us day and
  night.) see next slide

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NIGHTFALL IN BRAZIL
Brazilian Continental Platform.
Atlantic Ocean
Belo Horizonte
Salvador
Rio de Janeiro
Grande São Paulo
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NIGHTFALL IN USA
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Still daylight in California.
Chicago
The biggest concentration of lights (from top to
bottom) are the cities of Boston, New York,
Philadelphia and Washington.
Dallas
Puerto Rico
Miami
Houston
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Revolution

• Revolution 1 year
• 365 ¼ days
• 1 complete orbit
• See picture on page 28.

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Earths tilt

• Earth is tilted at an angle of 23.5 degrees
• We have seasons because the earth is tilted!
• It is summer in the hemisphere tilted toward the
  sun.

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Revolution

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A Tilted Earth

• We have seasons because the earth is tilted.
• The seasons are opposite in the Northern and
  Southern Hemispheres.
• Areas around the Equator experience warmth all
  year round. They do not experience seasonal
  changes.
• The farther away a place is from the equator,
  the colder its climate.

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Illustrate one complete orbit

• Illustrate a complete orbit (like page 28 and the
  one shown) on the bottom half of page 3 in your
  Burrito Book.

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Equinoxes and Solstices

• The longest day of the year is the first day of
  summer called the Summer Solstice. (June 21st)
• The shortest day of the year is the first day of
  winter called the Winter solstice (Dec. 21st)
• The first day of Spring and the first day of
  Autumn experience equal hours of daylight and
  darkness. (Example sun rises at 6am and sets at
  6pm) These are called the Spring Equinox (March
  21st) and Fall Equinox (Sept. 22nd ).

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Spring Equinox (Vernal Equinox) 1st day of Spring March 21st Days and nights of equal length
Summer Solstice 1st day of summer June 21st Longest day /shortest night
Fall Equinox (Autumnal Equinox) 1st day of Fall September 22nd Days and nights of equal length
Winter Solstice 1st day of winter December 21st Shortest day/longest night
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Tropics

• Between the Tropic of Cancer (23 ½ N) and the
  Tropic of Capricorn (23 ½ S) lies the tropics.
• Because they surround the equator, it is always
  warm.
• Since they dont have temperature changes for
  seasons, they have a wet and dry season.
• Seasonal winds called monsoons bring in heavy
  rains.

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Polar regions

• The polar regions are near the poles.
• From the Arctic Circle and above and from the
  Antarctic Circle and below these are the polar
  regions.
• The climate in these regions is always cold!!

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North Pole 90N
Polar region
Arctic Circle 66 ½ N
These regions experience 4 seasons.
Tropic of Cancer 23 ½ N
tropics
Equator 0
Tropic of Capricorn 23 ½ S
These regions experience 4 seasons.
Polar region
Antarctic Circle 66 ½ S
South Pole 90S
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Chapter 22 Water on Earth

• Freshwater water without salt
• Glacier large areas of slow moving ice
• Precipitation water that falls to the earth as
  rain, snow, sleet, or hail

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Meteorology
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Human Geography
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Meridians
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Equator
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parallels
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Physical Geography
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Asia
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Australia
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Tropic of Cancer