Crossword lab
Across
- 5. An object that orbits a planet
- 7. The path of an object as it revolves around another object in space
- 8. an imaginary line that passes through a planets center and its north and south poles, about which the planet rotates
- 11. the partial or total blocking of one object in space by another
- 14. a system of organizing time that define the beginning, length, and divisions of a year
- 17. The blocking of sunlight to the moon that occurs when earth is directly between the sun and the moon
- 19. The attractive force between objects
- 21. a pattern of grouping of stars that people imagine to represent a figure or an object
- 23. a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit
- 24. The periodic rise and fall of the level of water in the ocean
- 25. either of the two days of the year on which neither hemisphere is tilted toward or away from the sun
- 27. dark, flat areas on the moons surface formed from huge ancient lava flows
Down
- 1. either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
- 2. the scientific law that states that every object in the universe attracts every other object
- 3. a chunk of rock or dust in space, generally smaller then an asteroid
- 4. the part of a shadow surrounding the darkest part
- 6. a ball of hot gas primarily hydrogen and helium that undergoes nuclear fusion
- 9. the blocking of sunlight to earth that occurs when the moon is directly between the sun and the earth
- 10. one of the different apparent shapes of the moon as seen from earth
- 12. the movement of an object around another object
- 13. 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
- 15. The tide with the greatest difference between consecutive low and high tides
- 16. the tide with the least difference between consecutive low and high tides
- 18. a large round pit caused by the impact of a meteoroid
- 20. the spinning motion of a planet on its axis
- 22. a streak of light in the sky produced by the burning of a meteoroid in earths atmosphere
- 26. the darkest part of a shadow