The Moon

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Across
  1. 2. The moon evolved in ______ phases--the original crust,maria basins, and rayed craters
  2. 5. Craters are produced by the _____ of debris.
  3. 7. __________ is composed of igneous rocks, glass beads and fine lunar dust.
  4. 8. Dark, relatively smooth area on the moon's surface is called a _____.
Down
  1. 1. The most obvious feature of the lunar surface.
  2. 3. Most of the lunar surface is made up of densely pitted, light-colored areas known as ___
  3. 4. ______, ancient beds of basaltic lava originated when asteroids punctured the lunar surface letting magma bleed out.
  4. 6. The ____ was created when a Mars-sized asteroid impacted Earth.