Transcript Lines on Maps and Globes

Lines on Maps and Globes
Social Studies
• Map: Chart/Globe
The learner will be able to use maps,
charts, graphs, and globes to acquire and
report information including locating major
countries of the world,using cardinal and
intermediate directions, using latitude and
longitude and the location of early
explorers in North America.
Social Studies Standard
• Earth Attributes: Hemispheres
The learner will be able to identify the Northern,
Southern, Eastern, and Western hemispheres using
the equator and prime meridian.
• Map: Chart/Globe
The learner will be able to use maps, charts,
graphs, and globes to acquire and report
information including locating major countries of
the world,using cardinal and intermediate
directions, using latitude and longitude and the
location of early explorers in North America
Why do we use
maps?
Why is learning
about our world
important?
How did people
find their way
before maps?
How did these people
know were to go?
What contributions do
you think they made to
other explorers?
Christopher Columbus
Leif
Eriksson
Marco Polo
There are three very important lines to help us find our
way around the world.
1. The Equator
2. The Prime Meridian
3. The International Date Line
They are laid out on a map or globe like a grid.
A
1
2
3
B
C
D
E
The equator is located at 0 degrees latitude. It
is 24,901.55 miles (40,075.16km) long. The
equator divides the planet into the Northern
and Southern Hemispheres.
When looking at a map, latitude lines run horizontally. Latitude lines are
also known as parallels since they are parallel and are an equal distant
from each other. To remember latitude, imagine them as the horizontal
rungs of a ladder ("ladder-tude"). Degrees latitude are numbered from 0°
to 90° north and south. Zero degrees is the equator, the imaginary line
which divides our planet into the northern and southern hemispheres. 90°
north is the North Pole and 90° south is the South Pole.
The memory rhyme I use to help remember that
lines of longitude denote east-west distance is:
"Lines of LONGitude are all just as
LONG as one another."
With this saying in my mind, I picture all of the
longitudinal meridians meeting at the poles, each
meridian the same length as the next.
The vertical longitude lines are also known as meridians. They converge
at the poles and are widest at the equator. Zero degrees longitude is
located at Greenwich, England (0°). The degrees continue 180° east and
180° west where they meet and form the International Date Line in the
Pacific Ocean.
We can find Knoxville on a world map by looking at 83degrees W
and 35degrees N.
The lines of
longitude divide the
earth into Eastern
and Western
hemispheres.
We can find any place on earth using the
lines of latitude and longitude. Using the
listed web link, you can find any spot you
would like.
http://www.worldatlas.com/aatlas/imageg.htm
The main directions we use are called cardinal
directions and they are north (N), south (S), east
(E), and west (W). On most maps, north is at the
top. South is at the bottom. East is on the right. West
is on the left.
The compass rose shows us the in between
directions. They are called intermediate directions.
NE means northeast
SE means southeast
SW means southwest
NW means northwest
Tune: "Twinkle, Twinkle, Little Star"
If you like the oceans best,
Travel east or travel west,
If you like the cold and snow,
North is the way you should go.
If you like the hot, hot sun,
Head down south for lots of fun!
--Lori Williams
http://www.angelfire.com/fl/compless/cardinal.html
Help place the
correct direction in
the correct box.
Writing Topics:
1. Imagine that you were an early explorer.
(Choose any explorer we have talked about) Write
a story about how you explored a new area without
any help from maps. What did you use to help
guide your way, did you ever get lost, did you
invent anything to help yourself, etc…
2. Imagine that you are sitting on your front
porch when someone comes by and asks you for
directions to the local store. Write directions to the
store so clearly that the reader knows exactly where
he/she is going.