Space

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Across
  1. 4. requirements for something to happen
  2. 5. smth you do not want to lose
  3. 8. shows that smth happened because of smth else
  4. 9. a mix of different metals
  5. 10. force of impact on a support,m times g
Down
  1. 1. spacecraft, automobile, other means of transport
  2. 2. mass devided by volume
  3. 3. controlled by a human
  4. 6. own
  5. 7. the outside part of smth