The Global Environment – Spring 2020
Exercise 4: Earth-Sun Relations
Due 13 February 2020 via eLearning
Instructions – This exercise is designed to help you review your understanding of Earth-Sun relations and
related concepts. Fill in all answers in the spaces below. You may use Microsoft Excel to complete the
plot in section 3.
The lines indicating latitude are referred to as parallels. Are they, in fact, parallel to each other? Are they
the same length?
The lines indicating longitude are referred to as meridians. Are they parallel to each other? Are they the
Based on the explanations of Earth-Sun relations in class today, complete the following table to indicate
the day length you would expect at different latitudes through the year. In order to save yourself lengthy
calculation, simply use one of the following choices to fill in each blank:
12- 24 hours