The Globe Flashcards
How many planets are there
8
What 2 orbits does the Earth follow
- The suns
- Its own axis
How is the Earth divided into 4 quarters and into which hemispheres (4)
- By the equator for N & S hemispheres
- By the Greenwich Meridian into W & E hemispheres
At what degrees does the equator and gwm lie (1)
Equator = 0° latitude GWM = 0° longitude
Which direction does the earth revolve around its own axis (1)
West to East
At what rate does the earth revolve around its own axis (1)
1600 km/h = it completes 1 rotation every 24 hrs
Why are there different time zones (1)
Because of the earths rotation around its own axis
How do we experience day and night (1)
As the earth revolves around its own axis, its light at different places at different times
Complete the sentence:
“_________ is used to determine time difference “
Longitude
How many degrees pf longitude is there (1)
360°
How many degrees does the Earth rotate through the degrees of longitude a) every 24 hrs
b) every hour
c) 4 min
A) 360
B) 15
C) 1
How is the international time calculated (1)
Through the GWM
What does the following abbreviations stand for:
A) GWT
B) SAST
A) Greenwich Meridian Time
B) South Africa Standard Time
Each line of longitude the SAST changes how many minutes
4 minutes
Each country can choose there time zone, under what 1 condition (1) give an eg (1)
The ° is divisible by 15, eg SA lies between 17°E and 33 °E so the government chose 30°E as their standard time
