Astronomy

5. Why do we have seasons?
8. The two days of the year on which neither hemisphere is tilted toward or away from the sun
9. A region of complete shadow resulting from total obstruction of light
11. The scientific law that states that every object in the universe attracts every other object
13. The moon blocks sunlight from Earth, when the new moon passes directly between the sun and Earth.
15. A tide with the least difference between low and high tide; occurs when the sun and moon pull at right angles: at the first and third quarter moons.
16. The different shapes of the moon you see from Earth.
17. The periodic rise and fall of ocean water caused by the gravitational pull of the moon
19. An imaginary line that passes through Earth's center and the North and South Poles, about which Earth rotates
21. The cause of day and night
23. The path of an object as it revolves around another object in space

1. A tide with the greatest difference between high and low tide; occurs when the sun and the moon are in a line: at a new moon and a full moon.
2. The movement of an object around another object, Earth's = 365 1/4 days
3. this planets tilt is 23.5 degrees
4. The larger part of the shadow surrounding the darkest part.
6. Earth blocks sunlight from reaching the moon
7. the two days of the year on which the sun reaches its greatest distance north or south of the equator
10. a push or pull exerted on an object
12. an object at rest tends to stay at rest, and an object in motion tends to stay in motion
14. The spinning motion of a planet on its axis Earths = 24 hours
18. The tendency of an object to resist a change in motion
20. Earths revolution is 356 and1/4 _______ long
22. the study of the universe beyond Earth, including the sun, moon, planets, and stars