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# Chapter 6: Section 2 Notes (viewpoints of earth)

## by Mr. Motuk, Teacher at Minersville HS on Mar 15, 2011

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Chapter 6: Section 2 (Viewpoints of Earth)

Chapter 6: Section 2 (Viewpoints of Earth)
Unit 2: The Changing Surface of Earth
Chapter 6: Views of Earth
Section 2: Viewpoints of Earth

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## Chapter 6: Section 2 Notes (viewpoints of earth)Presentation Transcript

• Chapter 6: Views of EarthSection 2:Viewpoints
Mr. MotukGeneral Science
• Chapter 6 Section 2
Introduction to the Viewpoints of Earth
How to Find Places on Earth
Longitude and Latitude can be used as a precise way to determine location.
System of imaginary gridlines.
• Chapter 6 Section 2
Latitude
Horizontal lines paralleling the Equator.
Equator divides the Earth into Northern and Southern Hemispheres.
Used to measure North and South
Both poles are measured at 90 degrees.
North Pole= 90 degrees North
South Pole = 90 degrees South
• Chapter 6 Section 2
Latitude
• Chapter 6 Section 2
Longitude
Vertical lines (called meridians) intersecting the poles.
Measure positions East and West on a globe.
Begin with the Prime Meridian (0 degrees Longitude)
• Chapter 6 Section 2
Longitude
• Chapter 6 Section 2
Using Lines of Longitude
The Prime Meridian (0 degrees longitude) runs from pole to pole through Greenwich, England)
West of the Prime Meridian is measured from 1 to 180 degrees West.
East of the Prime Meridian is measured from 1 to 180 degrees East.
The 180 degree meridian= International Date Line
a. Opposite side of Earth to the Prime Meridian.
• Chapter 6 Section 2
• Chapter 6 Section 2
Latitude and Longitude can be broken down
Degrees are the largest measure
Degrees are divided into minutes
Minutes are divided into seconds
When writing coordinates latitude is always first
When writing coordinates; latitude always comes first.
• Chapter 6 Section 2
Earth Time
What time is it on Earth?
The answer actually depends on where you are located.
The Earth is divided into 24 time zones.
Each time zone is only one hour different from the next time zone.
Every time zone is 15 degrees longitude wide.
6 time zones cover the United States.
• Chapter 6 Section 2
Every time zone you cross going west time goes backwards.
Every time zone you cross going East time goes forward.
• Chapter 6 Section 2
Earth Time
• Chapter 6 Section 2
Earth Time
• Chapter 6 Section 2
• Chapter 6 Section 2
• Chapter 6 :Section 2
Calendar Dates
New days begin at 12 midnight for the time zone.
Crossing time zones gains or loses an hour.
Traveling West: Minersville to California
9 am in Minersville, 6 am in California
Traveling East: California to Minersville
1. 9 am in California, 12 pm in Minersville
• Chapter 6 :Section 2
Crossing the International Date Line (180 degrees longitude)
Gain or Lose one day
Traveling West: Asia to the United States
January 1st in Asia, December 31st in U.S.A.
Traveling East: United States to Asia
January 1st in United State, January 2nd in Asia
Question?
If you leave NYC at 11:00 am and your flight lasts 5 hours, what time is it in San Diego when you land?
• Chapter 6 :Section 2