Science Vocabulary

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Across
  1. 2. The complete or perfect shadow of an opaque body, as a planet, where the direct light from the source of illumination is completely cut off
  2. 5. the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only partly cut off
  3. 8. first day of spring
  4. 9. the science that studies the universe beyond earths atmosphere
Down
  1. 1. a circular or almost circular area having a depressed floor, almost always containing a central mountain and usually completely enclosed by walls that are often higher than those of a walled plain
  2. 3. the movement or path of the earth or body turning on its axis one complete turn of such a body.
  3. 4. the time when the sun crosses the plane of the earth's equator, making night and day of approximately equal length all over the earth
  4. 6. the line at which a rotating body such as earth, turns
  5. 7. the orbiting of one body around another body
  6. 10. Land smoothed by molten lava