The Earth-Moon System

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Across
  1. 1. Different shapes of the moon visible from Earth
  2. 3. The darkest part of the moon's shadow
  3. 5. Occurs when the noon is directly between the Sun and Earth
  4. 6. Where there is the least change between daily high tide and low tides
  5. 8. Regular rise and fall of ocean waters
  6. 11. A region of shadow that is less dark than the umbra
  7. 12. Chunks of rock that move through the solar system
Down
  1. 2. When the change between daily high and low tides is the greatest
  2. 4. Low, flat plains formed by ancient lunar lava flows
  3. 7. When the shadow of one body in space (planet or moon) falls on another
  4. 9. occurs when the moon is on the opposite side of the Earth from the Sun and the whole side facing the Earth is lit by the moon
  5. 10. Round depressions in the surface caused by the impact of high-speed meteoroids