Lesson 56 Faster than sound!

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Across
  1. 3. to describe how fast sth goes
  2. 5. to go down a hill
  3. 7. the noise of sth exploding
  4. 9. beautiful to look at
  5. 10. to take part in a competition
Down
  1. 1. not usually to be seen
  2. 2. the state of feeling excited
  3. 4. happiness you feel when you finish sth
  4. 6. to finish sth
  5. 8. the direction or route in a race
  6. 11. the people you fight against, the opponent