Wednesday, October 13, 2010

CHAPT 3

PHYSICAL ENVIROMENT

It consists of physical enviroment(think of the word"nature")
Features that occur naturally on the Earth.
Features that exists in nature but cannot be created by men.

eg. mountains, hills, lakes and rivers

HUMAN ENVIROMENT

It is formed when the Physical Enviroment id changed as a result of human activity.

eg. houses are built on a piece of land that used to be a forest.

MAPS

Are pictures or graphical representations
Represents all or part of the Earth's surface and feaures.
Shows top view only.

eg. topographical map

USES OF MAPS

Used to prepare before going for war
Used to be a source of information
Help to find our way to places of interest
Records changes over time

BASIC ELEMENTS OF A MAP

TITLE

states area shown on a map

GRIDLINES

series of numbered vertical and horizontal lines drawn on a map

CONTOURS

imaginary lines, joining places on a map that are of a same height

NAME OF FEATURES

certain features

eg. buildings to help to identify & locate easily.

NORTH ARROW

shows where North, East, South, West is

SCALE

shows size of map as compared to the actual size of the area that the map represents.

LEGEND

lists all the symbols used in the map/explains what it represents too.

SYMBOLS

represents different physical or human features found on the surface of the Earth.

SCALE

shows relationship between the lenght on the map and the actual distance.

LINEAR SCALE

line divided into units and sub units

measure distance easily and quickly

STATEMENT

eg. 1 cm equals 1km

SYMBOLS

show physical and human features in a map


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