Travel to Mars

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Across
  1. 2. when you go to a destination and there is no return date.
  2. 4. when you locate something, you find it or learn about it for the first time.
  3. 6. a large cavity, a hole, in the ground or surface
  4. 8. when you set up something, you use a system to put it in order.
  5. 9. these are pieces of information that can be shown to be true.
  6. 10. when you search a place, you look it over carefully to learn more about it.
Down
  1. 1. the 4th rock from the sun
  2. 3. when you take a trip somewhere.
  3. 5. a period of time spent away from home for recreation.
  4. 7. when something is achievable, it can be done or can happen.