Maps and Scales Flashcards
What are parallel arcs?
Curved lines that go around a sphere and never cross.
What are meridians?
Another word for lines of longitude.
True or False
The line of Latitude go around the world from east to west.
True
True or False
The lines of Longitude go around the world from north to south.
True
What is the other name for lines of latitude?
Paralell arcs.
Give another name for equator
0 Degree line
What poles do the lines of longitude pass through?
North pole & South pole
True or False
“Lines of longitude are sometimes called meridians”
True
What is the most important line of longitude?
Greenwich meridian
What is the most important line of longitude?
Greenwich meridian
What are the other two names for the Greenwich Meridian?
~ The 0 degree line of longitude
~ Prime meridian
What do the lines latitude and longitude do?
Make it easier to find places on a map.
How many km does a line of longitude cover?
111 km
How many min. are in between the lines of longitude?
60 min
One min. of longitude at the equator is about…long
1,85 km
What are coordinates?
the point where longatude and latatude lines cross
What is a ratio scale?
a scale that compares map distance and ground distance in the same unit of measurment
What is a word scale?
Uses a statement in words to discribe the scale of a map.
What is a line scale?
Showing scale of a map by drawing a line
What is a ratio scale?
Represent a scale as a unit of measurement
What are the the four hemisperes?
~North
~East
~South
~West
How many hours does it take for one Earth rotation?
24
How does the Earth rotate?
From East to West
Where does the Earths axsis pass through?
North and South pole
What is a time zone?
One of the 24 divisions of Earth which have the same time.
What do we measure time against?
The position of the sun.
The worlds time zones change…
One hour every 15 degrees of longitude
Why does the government decide to have only one time per country?
To fit borders of a country
To fit around internal borders
Where is the international date line?
On the other side of the world to the Greenwich Meridian.It follows the 180 degree line of longitude for most of its length.
What does the international date line do?
It divides the world into the eastern and western hemisphere.
What is the South African Standard time?
The time every place in SA uses.
How many degrees does the Earths axsis tilt?
23 and a half degrees away from prependicular.
What is a prependicular?
forming a right angle with the horizontal.
What is the differance between revolve and revolution?
Revolve is a circular movement around an object.
Revolution is one complete circular movement around an object.
