Across
- 4. moon phase when the earth is between the sun & moon
- 5. the outer part of the suns atmosphere
- 8. when different percentages of the moon is lit up
- 10. line around earth that determines how east or west you are from prime meridian
- 12. massive, self-luminous gas ball
- 14. rocky objects that orbit the sun
- 18. the milky way is an example of this type of galaxy
- 19. where our atmosphere exits into outer space
- 20. when the lit part of the moon increases in size
- 21. the largest planet
- 24. planet with life
- 25. the hottest layer of atmosphere
- 29. large objects of dust & ice that orbit the sun
- 31. second planet from the sun
- 32. the effect our atmosphere has on our planet in order to keep it warm
- 35. eclipse when earth's shadow is casted on moon
- 36. transfer of energy through space
- 38. large, bright features extending from the sun
- 39. when more than half the moon is lit
- 41. eclipse when the moon passes between the earth & sun
- 43. the main reason for seasons & day length changes throughout the year
- 44. when your side of earth is facing away from the sun
- 45. huge collections of gas, dust, & billions of stars all held together by gravity
- 46. a nearly round planet that has similar sized objects around it
- 47. the moons gravitational pull affects our ocean through . . .
- 48. smaller space objects go around larger space objects
- 51. when the left half of the moon is lit
- 53. giant cloud of dust & gas
- 54. where asteroids burn up in our atmosphere (the coldest layer)
- 55. solar system model where earth is at the center
Down
- 1. when the lit part of the moon is decreasing in size
- 2. spots on the sun that are dark
- 3. when half the moon is lit
- 6. farthest planet in our solar system
- 7. solar system model where the sun was at the center
- 9. the layer of atmosphere where life & weather is
- 10. line around earth that determines how north or south you are from equator
- 11. when the light from one space object is blocked by another
- 13. the "red" planet
- 15. when your side of earth is facing the sun
- 16. considered a dwarf planet
- 17. bursts of radiation due to the suns magnetic energy
- 22. a "belt" of comets past Neptune
- 23. ice-giant planet with rings
- 26. another way to say orbit
- 27. gas-giant planet with rings
- 28. when less than half the moon is lit
- 30. a "cloud" of comets that are the edge of the Solar System
- 33. "natural satellites"
- 34. is affected by the mass of two objects & the distance between them
- 37. moon phase when it's between the sun & earth
- 38. space object that has a spherical shape & orbits a star
- 40. location of the ozone layer
- 42. when the right half of the moon is lit
- 49. a light wind caused by convection currents in the air
- 50. a planets complete spin on its axis
- 52. planet closest to the sun