Sample
Summaries after sample
, Places in the news Latitude and longitude - degrees and minutes
• Atlasse gee ons insig in kwessies op die nuus. • Lines of latitude (east to west) are used to tell how far
• Help jou om te weet waar voorvalle plaasvind. north/south of the equator a place is.
• Lines of longitude (north to south) are used to tell how far
east/west a place is from the prime meridian.
Scale
How latitude and longitude are measured
Line and word scale
• 1 degree (°) = 60 minutes (’).
• Line scales on maps indicate how many units • Co-ordinate - each place where a line of latitude and
of a specific measurement on the map (e.g. longitude cross.
• Sample
cm or m) are represented by another
measurement on the ground (e.g. km).
Word scales express the line scale in words.
U1: Maps and
atlases
Use an atlas index to find places on a map
Ratio scale • Find the grid block position and find the co-ordinate
Summaries after sample
• Shows how many units of measurement (usually cm) on
the ground are equal to one unit of the same
measurement (cm) on a map.
position.
Kinds of scale in an atlas
• A continent is shown on a small scale map.
Measuring distances on a map • A region map has more detail and is of a smaller area.
• A local area map would be a large scale map – has the
• Lay a strip of paper on the map – one edge must most detail.
pass through the symbol of each place.
• Mark the position on the paper of both places.
• Lay the strip on the line scale – put the one mark Calculating distances on a map
on the 0 on the line scale.
• Read the ground distance. • Measure the distance between 2 points on a
map with a ruler and multiply it by the scale
factor (e.g. 50 000 if the ratio scale is 1:50 000).
• Convert the answer into kilometres.
GR8 SS-GEO T1 Mind Map Today Copyright © www.summariessa.co.za (DO NOT COPY)
, Sample
Summaries after sample
Summaries after sample
, Places in the news Latitude and longitude - degrees and minutes
• Atlasse gee ons insig in kwessies op die nuus. • Lines of latitude (east to west) are used to tell how far
• Help jou om te weet waar voorvalle plaasvind. north/south of the equator a place is.
• Lines of longitude (north to south) are used to tell how far
east/west a place is from the prime meridian.
Scale
How latitude and longitude are measured
Line and word scale
• 1 degree (°) = 60 minutes (’).
• Line scales on maps indicate how many units • Co-ordinate - each place where a line of latitude and
of a specific measurement on the map (e.g. longitude cross.
• Sample
cm or m) are represented by another
measurement on the ground (e.g. km).
Word scales express the line scale in words.
U1: Maps and
atlases
Use an atlas index to find places on a map
Ratio scale • Find the grid block position and find the co-ordinate
Summaries after sample
• Shows how many units of measurement (usually cm) on
the ground are equal to one unit of the same
measurement (cm) on a map.
position.
Kinds of scale in an atlas
• A continent is shown on a small scale map.
Measuring distances on a map • A region map has more detail and is of a smaller area.
• A local area map would be a large scale map – has the
• Lay a strip of paper on the map – one edge must most detail.
pass through the symbol of each place.
• Mark the position on the paper of both places.
• Lay the strip on the line scale – put the one mark Calculating distances on a map
on the 0 on the line scale.
• Read the ground distance. • Measure the distance between 2 points on a
map with a ruler and multiply it by the scale
factor (e.g. 50 000 if the ratio scale is 1:50 000).
• Convert the answer into kilometres.
GR8 SS-GEO T1 Mind Map Today Copyright © www.summariessa.co.za (DO NOT COPY)
, Sample
Summaries after sample
