Teacher Guide & Answers - Glencoe

6. It takes one year for Earth to revolve all the way around the Sun. 7. The rotation of Earth on its axis causes night. and day. 8. We have seasons because Earth’s axis is tilted. 9. An eclipse happens when Earth, the Sun, and. the Moon are lined up in a certain way. 10. The new moon and half moon are two of the. moon phases. Section 2 (page ... ................
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