WS: Seasons Name Period Base your answers to questions 1 through 3 on the diagram in your answer booklet, which shows Earth as viewed from space on December 21. Some latitudes are labeled. 1. On the diagram below, place an X at a location on Earth’s surface where the Sun was directly overhead at some time on December 21. 2. State one factor, other than the tilt of Earth’s axis that causes seasons to change on Earth. 3. At which latitude is Polaris observed at an altitude of 66.5°? January 2013