Term
What is the 3 question Geography tries to answer? |
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Definition
Why is it there?
What makes it important?
Where is it?
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Term
What is a Meractor projection map?
And what are it's limitations? |
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Definition
Methods used to transfer features of the globe on a flat surface of a map.
What you see on the map is not and can not be a true representation of the earth. |
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Term
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Definition
Best map for providing balance because of size, shape and distortion. |
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Term
What is a large and small scale maps? |
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Definition
Large:
Large amounts of detail of a small area
Small:
Small amount of detail of an area.
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Term
What are lines of Latitude and Longitudes, and it's charectoristics? |
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Definition
Latitude:
Are paralel lines, run east and west, mesures distances north and south from equator, and splits the globe into 2 hemispheres.
Longitude:
Are imaginary lines that run north and south, measure distaces east and west of the prime meridian, splits the globe into 2 hemispheres. |
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Term
What are the important lines of Latitude and Longitude?
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Definition
Latitude:
Artics cirlce
Tropics of cancer
Equater
Tropics of capricorn
Antartic cricle
Longitude:
Prime Meridian |
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Term
What is time?
Change can occur 3 ways, name them. |
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Definition
All the days there have been or ever will be the past, present, and future.
The length of any given moment.
1.Alteration of something
2.Addition of something
3.Disapperance of something. |
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Term
How do you calculate the time from one location to another? |
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Definition
When you go left, you go 1 hour earlier. When you go to the right, you go 1 hour later. |
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Term
Some points on daylight saving time. |
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Definition
1.Sir Sandford Fleming also proposed the present system of standard time, by which the world is divided into 24 equal time zones.
2. Some areas of Canada were not using Daylight saving time include most of Saskatchewan.
3. United States which enacted into law a broad energy bill that will extend daylight saving time in the same manner.
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Term
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Definition
Crust: Is the rigid outermost layer of the earth, is what we live in.
Mantle: Divided into 2 layers.
1 Upper mantle: hard layer, immediatly below the crust.
2. Lower mantle: soft, practically malten.
Core: Center part of the earth. Has 2 portions
1. Outer core (liquid): As a result of extreme high temp. This region is made of molten, iron and liquid nickle.
2. Inner core (solid): Made up of solid iron and nickel. |
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Term
What creates the earth's magnetic field? |
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Definition
Created by the earth's outer core which contains liquid metals spinning at a fast rate. |
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Term
If the earths outer core stopped spinning, what would be some of the consequences? |
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Definition
Times stops
Navigations equipment will not work including migration.
There will a lot of static discharge resulting in large storms.
The magnetic field shields us from solar winds and if it weakens ultra violet raditaion will reach the earths surface causing it to heat up. |
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Term
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Definition
A super continent which included all the earth's land masses that existed 300 million years ago. |
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Term
What is continental drift? |
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Definition
Theory by Alfred Wegener. Stating that 300 million years ago all if earth's land masses which were in constant motion collides to form one supercontinent called pangaea. About 200Million years ago pangaea broke apart and the continents have drifted apart to their present location. |
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Term
What was Alfred Wegener's theory? |
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Definition
1. Jigsaw fit because South America and Africa.
2. Fossils of the same plants and animals were found on the continent. Fresh water.
3.Mountains similiar in age and structure are found on both sides of the Antlantic ocean.
4.Ice sheets covered southern Africa, India, Austrailia about 200 million years ago but these places are warm to day. Must have been joined together closer to the southern pole. |
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Term
What is a Plate Tectonic? |
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Definition
this theory states that the earth’s outer crust is made up of plates of rock that shift all over the globe. |
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Term
What is a Convection Current? |
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Definition
the transfer of heat by the mass movement of heated particles into an areaof cooler fluid |
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