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→Key Idea 2 - Longitude and time zones
# If the earth was not revolving around the sun, would there be any need for time zones and longitudes?
# If the earth was not revolving around the sun, would there be any need for time zones and longitudes?
# List as many differences between latitude and longitude as possible. Explain these differences
# List as many differences between latitude and longitude as possible. Explain these differences
===Activity No 2 - Using Marble educational software to explain Longitudes===
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''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
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*'''Estimated Time''' 1 period
*'''Materials/ Resources needed''' Computer/Laptop with Marble educational tool installed. (Ubuntu Kalpavriksha contains Marble) + Projector to show the class
*'''Prerequisites/Instructions, if any'''
*'''Multimedia resources'''See video on time zones, shown on this page.
*'''Relevant local connections - people, places and materials'''
*'''Website interactives/ links'''
*'''Process'''
#Demonstrate Longitudes on the Marble atlas. Move the earth from west to east to simulate the rotation of the earth.
#Explain why different time zones are needed
#Show the 'Precipitation (July) map? Is there any pattern in the rain heavy zones? Does it depend on the Longitudes?
*'''What questions can you ask'''
*'''Assessments - incorporating elements of CCE'''The questions in the question corner test the understanding of the date line concept and can form part of CCE
*'''Question Corner'''
==Key Idea 3 - International Date Line==
==Key Idea 3 - International Date Line==
