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→Key Idea - Latitude
==Key Idea - Latitude ==
==Key Idea - Latitude ==
===Learning objectives===
===Learning objectives===
#What are latitudes?
#Why do we need latitudes?
#What kind of information can we deduce from latitude information?
===Notes for teachers===
Latitudes are imaginary curves, they are not real and not lines. The latitudes indicate distance from the equator (which itself is a latitude). Latitude is one factor that influences the weather/climate of a place, generally further the place from the equator, the cooler is the place. (of course, altitude, vegetation, distance from water body are other factors that influence weather, so latitude may by itself not be sufficient to indicate weather).
The Marble educational software can be used to demonstrate Latitudes. By increasing the scale by moving the 'navigation slider',we can increase the map size. We can demonstrate that latitudes are 'parallel'to one another.
===Activity No 1- Using Marble to study Latitudes ===
===Activity No 1- Using Marble to study Latitudes ===
##Where is the weather hotter - northern or southern hemisphere?
##Where is the weather hotter - northern or southern hemisphere?
##Why is the southern hemisphere not as hot in December as the northern hemisphere is in July?
##Why is the southern hemisphere not as hot in December as the northern hemisphere is in July?
##In December, the northern hemisphere has larger areas which are colder, compared to Southern hemisphere during July. Why?
##In December, the northern hemisphere has larger areas which are colder, compared to Southern hemisphere during July. (or the range of temperatures in northern hemisphere is much more than the southern hemisphere). Why?
Basically discuss what are the various factor that affect weather/climate - latitude, vegetation/forest area, coastal region v/s hinterland (distance from sea/water body), altitude, land mass vs water body etc)
Basically discuss what are the various factor that affect weather/climate - latitude, vegetation/forest area, coastal region v/s hinterland (distance from sea/water body), altitude, land mass vs water body etc)
