Richard Feynmann Challenger Disaster

123456789
Across
  1. 5. purpose of the o-rings was to seal the…
  2. 6. NASAs special programm
  3. 7. O-Rings failed because of the…
  4. 9. failed part of shuttle
Down
  1. 1. another word for tough
  2. 2. name of space shuttle
  3. 3. programme to investigate the disaster
  4. 4. material O-rings were made of
  5. 8. chances for catastrophe