Earth, Sun, Moon (Seasons and Moon Phases)

12345678910111213141516171819
Across
  1. 2. This season comes right after winter.
  2. 4. The same side of the moon always ________ the Earth.
  3. 7. The path an object follows as it moves around another object
  4. 9. The shape of the path of the planets as they orbit the sun
  5. 10. The movement of a planet around the sun is called a ______.
  6. 11. The motion of a planet spinning on its axis
  7. 13. When the northern hemisphere is tilted towards the sun, we experience _____.
  8. 14. When the northern hemisphere is tilted away from the sun, we experience ______.
  9. 15. The shortest day of the year is in ______ and is called the summer solstice.
  10. 16. The moon makes one revolution around the Earth about every _____ days.
  11. 19. Pits on the moon caused by the impact of objects, such as meteors.
Down
  1. 1. One revolution of Earth around the sun takes about one ____.
  2. 3. We see the moon because light from the sun ______ off of it.
  3. 5. The tilt of the Earth's axis and its revolution around the sun cause ___.
  4. 6. This season comes right after summer.
  5. 8. The two forces that keep the Earth in orbit are gravity and ____.
  6. 12. The study of planets, stars, moons, and other celestial objects
  7. 17. One rotation of the earth on its axis takes about one ____.
  8. 18. December 21st is the shortest day of the year and is called the winter _____.