Maps

Question 1

What are the different types of Grid Systems

Answer 1

Alphanumeric Grid
Map Grid(military grid)
Latitude and longitude

Question 2

What is an alphanumeric grid

Answer 2

The alphanumeric Grid uses letters and numerals to identify squares in a grid pattern. An alphanumeric grid is often used in road maps. Grid squares are identifies by a letter along one edge of the map and a number along another.

Question 3

Military Grid 4 digit

Answer 3

The numbers on the vertical grid lines increase as you go from west to east. As a result, they are called easting numbers. The number refers not only to the vertical grid line, but also to the column to the right of the other grid line. The numbers of the horizontal grid lines increase from the south to the north. As a result, they are called northern numbers.

Question 4

Military Grid six digit

Answer 4

There are times when we want to give a more exact location than is possible with a four-digit reference. Each side of a grid square can be divided into tenths.

Question 5

Latitude and longitude

Answer 5

A third type of grid system divides the world into a series of grid squares using lines of latitude and longitude. NO matter were you are in the world, your location can be identified by a latitude and longitude “address”

Question 6

direct scale statement

Answer 6

Uses word to describe the relationship between a distance on a map and a specific distance on Earth’s surface

Ex. 1cm to 10 km.

Question 7

6 parts a map must have

Answer 7

Descriptive title

Scale

Date of publication

Legend

North indicator

Frame/boarder

Question 8

line scale

Answer 8

A special ruler that is divided into units of distance.

Ex. String, thumb edge of paper

Question 9

Representative Fraction

Answer 9

An RF is a ratio and is shown as follows: 1:50 000. This RF scale means that 1 unit on a map represents 50 000 of the same units on Earth’s surface.