Name two things that help us to see where we we in the world
Globe and Maps
Name three applications that are used to find a place
Google Earth
Google Maps
Car navigation system
Name the three types of atlases
World atlas
Street atlas or map
Road atlas
What can satellite images help us with?
To forecast the weather
To make maps to show damage caused by natural disasters
Examine how land is used
Lines of latitude
Lines going from west to east
Lines of longitude
Lines going from north to south
Name the two important lines of latitude
Tropic of Cancer= 23,5⁰N
Tropic of Capricorn = 23,5⁰S
Name the most important line of longitude
Greenwich Merdian
Name the three types of scales
Word scale
Line scale
Ratio scale
What is word scale?
What is the other word for line scale
Linear
What is the other word for a ratio scale?
How many hemispheres does the world have?
Which line divides the earth into southern and northern hemispheres?
The equator
Which line divides the earth into eastern and western hemispheres?
At what angle does the earth tilt on its axis?
How many hours does it take for the earth to complete one 360⁰ rotation?
24 hours
In what direction does the earth rotate i
Anti-clockwise or from west to east
According to time, places to the east of you are…….and place of the west of you are……..
If time changes by ………….. there will be a time difference of 4 minutes
1h/15⁰ longitude
Standard time
The time of a certain median that is used over a large region
Suggest reasons why south africa decided to have only one time zone for the whole country
To avoid confusion for
broadcasting news
Business purposes
Where do all places in south africa calculate their time zone?
30⁰E meridian
What does GMT mean?
Greenwich Merdian Time
What does Greenwich mean time mean?
Time along 0⁰ meridian that is used a reference for time in other parts of the world
South africa standard time is:
What is IDL in full?
International Date line
What does the international date line mean?
The line based on the 180⁰ W or E merdian where the date changes by one day as it is crossed
What are the five factors that cause seasons?
The sphere shape of the earth allows only half of the planet to be lit up and heated at a time
What are the five factors that cause the seasons?
Five factors that causes the seasons
The sphere shape of the earth allows only one half of the planet to be lit up and heated at a time
The rotation of the earth resulting in day and night
The tilt of the earth's axis
The constant parallelism of the earth axis
The revolution of the earth around the sun
What is an equinox
It is when day and night are the same number of hours for all places in the world
When do the two equinoxes occur?
21 March and 23 September
What happens to the earth doing an equinox?
The earth doesn't tilt towards or away from the sun
In what seasons does the equinoxes occur?
Autumn and Spring
What is a solstice
It is when one half of the earth has the longest number of daylight hours and the opposite side has the shortest number of daylight hours
When do solstices occur?
The 21 June and 21 December each year southern or northern hemispheres
Which seasons do solstices happen in?
Summer and Winter seasons
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