Earth-Sun-Moon System

4. The change from summer to winter is called ______.
5. During our summer, the Earth is positioned such that the northern hemisphere is tilted ______ the Sun.
9. A ______ occurs when the Moon looks like it is entirely illuminated.
11. The portion of illuminated Moon you are able to see changes, these changes are called ______ of the Moon.
12. A ______ Moon is the first phase in the lunar cycle and cannot be seen because we are looking at the unlit half of the Moon.
13. The side of the Earth illuminated by the Sun is in ______, while the side of the Earth the sunlight doesn't reach is in nighttime.
14. During the other half of the lunar cycle, the illuminated area of the Moon visible on Earth is decreasing; the Moon is said to be ______ .

1. A ______ eclipse occurs when the Moon blocks out the light of the Sun.
2. The Earth has seasons because its axis is ______ .
3. Only ______ of the Moon is illuminated by the Sun.
6. When it's summer in Ireland it is ______ in Australia.
7. The change from winter to summer is called ______.
8. For half the lunar cycle, the illuminated area of the Moon visible on Earth is increasing; the Moon is said to be ______ .
10. A ______ eclipse occurs when the Earth blocks out the light of the Sun.