1. 4. moon - the phase of the moon when Earth is between the moon and sun
  2. 6. - A natural or artificial body that revolves around a planet
  3. 8. - short period of climate change in an area caused by the tilt of Earth's axis as Earth revolves around the sun. (winter, summer, autumn, spring)
  4. 9. - An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.
  5. 10. - A group of stars that form a pattern in the sky
  6. 12. - the moon's shape when more than half is illuminated
  7. 14. - imaginary line that passes through the Earth's center from the North to the South
  8. 15. - In summer and winter and the Earth has the longest day/shortest night or the shortest day/longest night
  9. 17. - describes phases that occur after a full moon, as the visible lighted side of the Moon grows smaller
  10. 19. - A ball of frozen dust and rock that orbits the sun and has a tail that glows
  11. 21. - the moon's shape when less than half of it is illuminated
  12. 24. - Earths path as it revolves around the sun
  13. 25. - spinning on an axis
  14. 28. - moving around another object in space
  15. 29. - A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
  16. 31. - the rise and fall of Earth's water
  1. 1. - The shape of Earth's orbit
  2. 2. - A meteoroid that has hit earth's surface.
  3. 3. eclipse - when the moon comes between Earth and the sun
  4. 5. tide - when the Sun, Earth and Moon make a right angle and the high tides are lower than usual and the low tides are a little higher than usual.
  5. 7. - describes phases following a new moon, as more of the Moon's
  6. 11. cycle - A sequence of phases of the moon as it revolves around the Earth once every 29.5 days.
  7. 13. quarter - this phase of the moon occurs about 7 days after a new moon
  8. 15. tide - when the Sun, Earth, and Moon are lined up and high tides are higher and low tides are lower.
  9. 16. planet, planetoid - a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
  10. 18. - any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
  11. 20. - a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.
  12. 22. - A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.
  13. 23. - when the sun's direct light is closest to the equator, in spring and fall and the Earth has equal day and night
  14. 26. phases - The changing appearances of the Moon as seen from Earth
  15. 27. eclipse - when the shadow of Earth falls on the moon
  16. 30. moon - the phase of the moon when the moon is between Earth and sun, when the moon looks like darkness. has no light reflected