space

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Across
  1. 3. the science of plants
  2. 4. the heart or the main part of something
  3. 6. a soon as posible
  4. 8. to send up into the air
Down
  1. 1. conduct experiments
  2. 2. solid, liquid and gases
  3. 5. control the process after an incident
  4. 7. a space vicle that is shaped like a long tube