Earth-Sun-Moon System Vocab (Topic1)

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Across
  1. 2. an object that orbits a planet
  2. 3. the part of a shadow surrounding the darkest part
  3. 4. the darkest part of a shadow
  4. 6. a pattern or grouping of stars that suggests the outline of a figure or object
  5. 7. the degree to which one action influences or affects another action
  6. 9. the spinning motion of a planet on its axis
  7. 10. one of the different apparent shapes of the moon as seen from the Earth
  8. 12. either of the two days of the year on which neither hemisphere is tilted toward or away from the sun
  9. 14. the attractive force between two objects; the force that moves objects downhill
  10. 18. a term describing a model of the universe in which Earth and the other planets revolve around the Sun
  11. 21. an object that orbits a star, is large enough to become rounded by its own gravity and has cleared the area of its orbit
  12. 22. information or data that is gathered using one of the five senses: sight, touch, hearing, taste, or smell
  13. 24. the periodic rise and fall of the level of water in the ocean
  14. 25. a streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere
  15. 26. the tendency of an object to resist change in motion
  16. 27. an imaginary line that passes through a planet's center and it's north and south poles, about which the planet rotates
  17. 28. the tide with the least difference between consecutive low and high tides
Down
  1. 1. the scientific law that states that every object in the universe attracts every other object
  2. 5. the movement of an object around another object
  3. 8. a term describing a model of the universe in which Earth is at the center of the revolving planets and stars
  4. 11. the partial or total blocking of one object in space by another
  5. 13. to develop an evidence based idea that can be tested by investigation or experimentation
  6. 15. either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
  7. 16. a loose collection of ice and dust that orbits the sun, typically in a long narrow orbit
  8. 17. the tide with the greatest difference between consecutive low and high tides
  9. 19. an oval shape which may be elongated or nearly circular, the shape of the planets' orbits
  10. 20. the path of an object as it revolves around another object in space
  11. 23. ball of hot gas, primarily hydrogen and helium that undergoes fusion