6th Topic 11 Sun, Moon, Earth

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Across
  1. 2. the moon’s gravity is ___ that of Earth (fraction)
  2. 4. the oldest, most highly cratered regions on the Moon, light in color
  3. 7. developed the earth centered model of the universe- was followed for a long time
  4. 10. the tendency of an object to resist a change in motion
  5. 12. this is the calendar we use today
  6. 14. Earth experiences 4 ___ due to the tilt of Earth on its axis
  7. 17. the strength of gravity depends on the ___ of the 2 objects and the ___ between them
  8. 19. when the moon is in the 1st or 3rd quarter phases, then about one ___ of the moon is “lit”
  9. 22. when it is a spring or autumnal ____, then Earth is the least tilted toward the sun it will ever be for the year
  10. 23. when the moon is in the “gaining light “ phases it is in the __ phases
  11. 25. the summer ___ is the longest day in the Northern hemisphere
  12. 26. the different amounts of light you can see from Earth shining on the moon are called the ___ of the moon
  13. 28. the study of the universe
  14. 29. this model had the sun at the center of our universe
  15. 33. supported the sun centered model and arranged the known planets in a map around the sun
  16. 34. to see a full total eclipse, you must be in this part of the shadow
  17. 37. you will see only a partial solar eclipse if you are in this portion of the moon’s shadow
  18. 38. if a chunk of rock from space hits earth’s ground, it is called this
  19. 41. what rocks falling through our atmosphere are called
  20. 42. earth’s revolution around the sun takes approximately 365 ____
  21. 44. these are used to find constellations
  22. 48. when the moon is “losing” light it is in the __ phases
  23. 49. a pattern of stars imagined by people to represent a picture/story
  24. 52. day and night are caused by Earth’s ____
  25. 53. this calendar had 12 months with 30 days and an extra 5 days at the end of the year to honor their Gods
  26. 54. this model has Earth at the center of our universe
  27. 56. during the summer solstice in the Northern hemisphere we experience the ___ daylight hours
  28. 57. a mixture of ice and dust on an elongated orbit around the sun, it emits a trail of heated gases as it nears the sun
  29. 58. most constellations were named in this language
  30. 59. the moon has drastic changes in temperature due to the fact that it has no ____
Down
  1. 1. this equinox is the beginning of spring in the Northern Hemisphere
  2. 3. you will see a ___ eclipse when Earth is between the sun and the moon
  3. 4. the highest peaks on the moon are called this
  4. 5. the fake science of believing in predictions of zodiac symbols
  5. 6. these on the moon were formed by meteor impacts
  6. 8. one complete revolution around the sun is approximately one ____
  7. 9. the brightest object in the night sky after the moon
  8. 11. the shape of the orbit of Earth’s revolution around the sun
  9. 13. the narrow band or plane in which planets in our solar system move
  10. 15. used a telescope and discovered 4 of Jupiter’s moons
  11. 16. an object that orbits a sun
  12. 17. these on the moon were created by ancient lava flow
  13. 18. A chunk of rock in space is called this
  14. 20. the tides are the ___ when the moon, sun and earth are at right angles to each other
  15. 21. when a meteoroid enters Earth’s atmosphere it is now called this
  16. 24. larger, round pits formed by impacts of meteroids
  17. 27. the tides are the ___ when Earth, the moon, and the sun are all in a straight line
  18. 30. lowest tides are called this
  19. 31. Earth’s rotation takes approximately 24 ___
  20. 32. when the moon is in the waxing or waning ___ phases, then ¾ of the moon is “lit”
  21. 35. when the moon is in the waxing or waning ___ phases, then only a small sliver, or about ¼ of the moon is “lit”
  22. 36. the name given to objects that orbit a planet
  23. 39. arranging time into day, months, and years
  24. 40. this force of attraction helps keep Earth in it’s orbit around the sun
  25. 43. all objects are attracted to each other by the force of ____
  26. 45. the north star
  27. 46. the ___ solstice is the shortest day in the Northern Hemisphere
  28. 47. scientists ___ and ___ found the orbits of the planets are ellipses
  29. 50. the highest tides are called this
  30. 51. I told you this term used in science means “false”
  31. 55. the ___ of an object will not change no matter where it is, but the ____ may, because IT is determined by the gravitational pull