# Physical Geography 101 Maps and Location Systems Study Guide

After the "Maps and Location Systems" lecture and readings you should be able to answer and discuss the following questions.

What is a map?

What are the advantages of using a globe over using a flat map?

What are the disadvantages of using a globe?

What are the advantages of a flat map?

What are the disadvantages of a flat map?

What is meant by the term map projection?

What are the difficulties in transferring the features from a spherical surface to a flat surface?

What are the differences between a developable and an undevelopable surface? Give examples of both.

Describe the three basic forms of map projections, including their properties, and locations on the globe where these are typically used.

What are the properties standard points and standard lines?

What is the most widely used cylindrical projection? What is its biggest advantage? What are its serious drawbacks?

Describe a line of Longitude.

Describe a line of Latitude.

A full circle has how many degrees of arc in it?

Lines of Longitude are measured starting at ____ degrees (also known as the ________________) and reach their maximum value at ____ degrees (also known as the ________________).

Lines of Latitude are measured from ____ degrees (also known as the ________________) to ___ degrees at the ________________ and ________________.

One degree of arc is equal to ___________ minutes of arc.

One minute of arc is equal to ___________ seconds of arc.

List and define the pieces of information that all maps should have.

The ratio scale 1:50,000 literally means ____________.

Why is it called a ratio scale?

If no compass direction is given on a map, what must you assume?