The Moon: Theories, Phases and More Crossword

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Across
  1. 2. caused by the gravitational pull of the Moon on Earth's oceans
  2. 5. shape of the Moon that can also be referred to as a first or last quarter Moon
  3. 7. theory suggests the Earth and Moon formed at the same time from the same cloud of dust and gas
  4. 9. different forms the Moon takes in its appearance from Earth
  5. 10. theory suggests the Moon formed elsewhere and was later captured by Earth's gravity
  6. 12. the Mars-sized object that collided with early Earth to form the Moon and part of the Giant Impact Theory
  7. 13. shape the Moon creates when more than half of it is visible
Down
  1. 1. theory suggests the Moon spun off from Earth due to rapid early rotation
  2. 3. type of phases that show more of the Moon's illuminated surface each night
  3. 4. occurs when the Earth or Moon casts a shadow on the other
  4. 6. caused the Moon to move in an orbit around Earth
  5. 7. shape the Moon creates when only a thin slice of it is visible
  6. 8. Earth's natural satelitte
  7. 11. type of phases that show less of the Moon's illuminated surface each night