The Reasons for the Seasons:
How the Earth and Sun interact to Create Seasons

Annual Temperature Cycle

Instructions can be found at the bottom of the page, or you can watch this short mp4 explanation.

Questions:

1. Click Map button so that you have a map in the upper left corner - you can move this map if you need to. Click on the 'red dot' that represents Dallas Texas. You will get a plot of the average monthly temperature for that city. You can convert between °C and °F. By roaming your mouse on the lines, you can read the temperatures for the two cities. If you move the Earth, for example using the triangle below the months, you will see the black line in the temperature plot change as the month does. Answer the following questions:

2. Now, click the 'show map' button, and select Fargo ND, which is just to the north of Dallas. Both Dallas and Fargo temperautures will be displayed. Answer the following questions. The latitude of Dallas is approximately 32.5 ° and the latitude of Fargo is about46.8 °.

Instructions

The is the same activity as the earth orbit. Now you can also click on the map, this will bring up a world map that will have red dots representing the locations of various cities. If you roam over a red dot, you will see the name of the city, and if you click on that dot you will get the averagy annual maximum and minimum temperatures for that city.