The science festival

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Across
  1. 2. a round object making cars move
  2. 5. something used to make other things
  3. 6. the process of growing or changing for the better
  4. 7. give a prize to someone because of his achievement
  5. 9. extremely bad
  6. 10. deal with someone’s disease
Down
  1. 1. offer to do something
  2. 3. the feeling of being pleased
  3. 4. the disease of the body
  4. 8. a long time ago