Mistery vocab

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Across
  1. 2. not able to be relied on; not known or definite
  2. 3. belonging to the very distant past and no longer in existence
  3. 4. form a theory or conjecture about a subject without firm evidence
  4. 7. a thing that may happen or be the case
  5. 9. facts, information, and skills acquired by a person through experience
  6. 10. a supposition or a system of ideas
Down
  1. 1. the stage of human social and cultural development and organization
  2. 5. able to be done; within the power or capacity of someone or something
  3. 6. a feeling of surprise caused by admiration
  4. 8. an idea or plan put forward for consideration