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C:\Fakepath\Earth’S Grid

on Feb 02, 2010

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C:\Fakepath\Earth’S GridPresentation Transcript

• What is the Earth’s Grid?
• Table of Contents
• Latitude
• Longitude
• Conclusion
• Works Cited
• Latitude
• Latitude lines are the angular distances measured north and south of the Equator . Latitude lines are also know as Parallels.
• The lines become progressively shorter as ones moves toward the North or South Pole.
• The 60 degree latitude lines is very useful for quickly assessing are distortions on maps. It is also on-half the length of the equator.
• There are 60 minutes of latitude between every degree and 60 seconds of latitude between every minute.
Next Table of Contents
• Equator
• The Equator is the longest Latitude line, it divides the Earth into a north half and a south half.
• Therefore it is located halfway between the North Rotational Pole and The South Rotational Pole.
• The Latitude of the Equator is 0 degrees because you measure distances North and South of it.
• The Equator is 25, miles long.
Next Table of Contents
• Review
• 1.) Where is Indianapolis located ?
• Map Answer
• 2.) If Indianapolis is situated 15 minutes of its present location, what would its latitude then be?
• Answer
Table of Contents
• Map Table of Contents Back to Review Answer
• Answer Question 1.)
• On the map it looks like 40 degrees.
• On proper map Indianapolis is
• 39 degrees and 45 feet North Latitude
Table of Contents Back to Review
• Answer Question 2.)
• 40 Degrees North Latitude
Table of Contents Back to Review
• Longitude
• Longitude lines are the angular distances measured east and west of the Prime Meridian.
• These lines only go half way around the Earth, forming half-circles.
• Longitude lines are also known as meridians.
• They being and end at a rational pole and are roughly the same length.
Table of Contents Next
• Prime Meridian and International Date Line
• The Prime Meridian is the zero (0) degree longitude line because angular distances are measured east and west of it.
• It begins at the North Pole and runs through the Royal Observatory in Greenwich, England and continues all the way to the South Pole.
• The Prime Meridian goes half way around the earth.
• The International Date Line is also the 180 degree longitude line.
• Which is the highest numbered longitude line.
• It is located opposite the Prime Meridian.
• It is called the International Date Line because when you travel west of it you add a day and when you travel east of it you subtract a day.
• But the International Date Line is not directly on the 180 degree longitude line; it zigzags through the Pacific Ocean to avoid splitting countries and island group.
Picture of Prime Meridian Picture of International Date Line Table of Contents Next
• Back Table of Contents Next
• Table of Contents Back Next
• Review
• 1.) Where is Indianapolis located?
• Map Answer
• 2.) What country does the intersection of 15 degrees South Latitude and 65 degrees West Longitude occur?
• Map Answer
Table of Contents
• Answer Question 1.)
• 86 degrees and 8 feet West Longitude
• Back to Review
• Table of Contents
• Answer Question 2.)
• Bolivia
• Back to Review
• Table of Contents
• Back to Question Answer
• Back to Question Answer
• Conclusion
• In conclusion the Earth’s Grid is the network of parallels and meridians super imposed on Earth’s surface used to locate features.
• I have never done a presentation like this and it was very eye opening. The presentation can go where ever you want it to. I don’t have to click and click to get back to a particular slide. I like that I can click backwards as well. I also liked all the animation features, it really spices up the presentation.
Works Cited Table of Contents
• Works Cited
• Beck, R. L. (2007). Physical Systems of The Environment. Dubuque: Kendall/Hunt Publishing Company.
• Google Searched Images
• (n.d.). Retrieved January 27, 2010, from http://www.mrdowling.com/images/601latitude.jpg
• (n.d.). Retrieved January 27, 2010, from http://upload.wikimedia.org/wikipedia/commons/f/f8/World_map_with_equator.jpg
• (n.d.). Retrieved January 27, 2010, from http://www.enchantedlearning.com/usa/activity/latlong2/map.GIF
• (n.d.). Retrieved January 27, 2010, from http://wpcontent.answers.com/wikipedia/commons/thumb/2/29/Moon-map.png/400px-Moon-map.png
• (n.d.). Retrieved January 27, 2010, from http://www.mapsofworld.com/world-maps/image/world-lat-long.jpg
• (n.d.). Retrieved January 27, 2010, from http://www.arcticice.org/images/long.gif
• (n.d.). Retrieved January 27, 2010, from http://thismatter.com/money/forex/images/international_dateline.gif