Post on 23-Jun-2015
HOW DO WE KNOW WHERE
WE ARE?
How do we get
Here?
Here?
MAPS&
GLOBES
An Introduction
Early explorers had little to guide them….
Many people even thought the earth was flat!
Early cartographer
s (mapmakers) had different ideas of what
the world looked like.
This is an early map of North and South America.Click on it to see how it compares to what we know today.
Click this ancient map of Africa to see how different it is from reality
After a while, some came a”round” to thinking
differently…
GLOBES
A Round Earth
What an idea!
-Spheres
-Lines
-Precision
WHAT CAN WE DO WITH THESE
TOOLS?
We can discover the area where we live and go to school…
We can tell How tall mountains are
Where the Oceans Are
And all kinds of wonderful places!
We can use the grid of lines called Latitude
and Longitude to find any place on earth!
How Precise Can We Be With Latitude and
Longitude?
Go From Here….
To Here
Satellites orbiting earth can take amazing pictures!
We can use these pictures to better understand our world, and how to
get around this big place!
Look at this picture from space…
It’s a giant map of the world made out of sand!
We are even learning how to map the world
outside of earth