Chp. 20 Vocab

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Across
  1. 2. The lighter part of a shadow where light is partially blocked.
  2. 3. The portion of the Moon or a planet reflecting light as seen from Earth.
  3. 10. The spinning of Earth on its axis.
  4. 11. Phases of the Moon during which less of the Moon’s near side is lit each night.
  5. 12. The rise and fall of the ocean caused by the moon’s gravity.
  6. 13. The occurrence during which the Moon’s shadow appears on Earth’s surface.
  7. 14. Phases of the Moon during which more of the Moon’s near side is lit each night.
  8. 15. The path an object follows as it moves around another object.
Down
  1. 1. The central, darker part of a shadow where light is totally blocked.
  2. 4. When Earth’s rotation axis is tilted directly toward or away from the Sun.
  3. 5. When Earth’s rotation axis is tilted neither toward nor away from the Sun.
  4. 6. An occurrence during which the Moon moves into Earth’s shadow.
  5. 7. Imaginary vertical line around which Earth spins.
  6. 8. The large, dark, flat regions on the moon.
  7. 9. The orbit of one object around another object.