Do Now: Earth Motions

Day 1 is on my webpage: picture from USNO of sunlight on earth for

Dec. 21, 2013

• Day 2: How would your day, in New York, compare with someone’s at the Equator in the following image? Use terms; “intensity of sunlight”, “duration of insolation” and “ angle of insolation.”

jean mcmahon 2014 using 'paint'

• Day 3: Identify three things in this image that help indicate why December, January and February are coldest months for the Northern Hemisphere.

jean mcmahon 2014 using paint

• Day 4: What is the line that separates day and night called? And, for this image, is this line on sunrise or on sunset? How do you know?

jean mcmahon 2014 using paint

• Day 5: Which of these images indicates March 21? What season begins for New York on that date? What latitude on earth has the greatest ‘intensity of insolation’ on that date?

http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/javascript/song.html