How many words do you remember from Unit 4??

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Across
  1. 5. Icarus' wings were made of _____
  2. 7. There are four ________ of flight
  3. 8. Icarus went near the sun so his wings started to ______
  4. 11. This type of plane can go to space
  5. 12. A woman who helps you on a plane
  6. 13. The force which keeps the plane downwards
  7. 14. Some planes fly at a high _____
  8. 15. The first flight ____ 12 seconds
Down
  1. 1. People on a plane
  2. 2. A place which appears to be real
  3. 3. A force which pushes the plane upward
  4. 4. You may fall into an ______ while you are on a plane
  5. 6. A person who leaves his country and goes to another for work or for a better life
  6. 9. When you want God to help you, you say a _______
  7. 10. The place where the pilot is
  8. 15. Planes _____when they touch the ground