Animals in Flight

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Across
  1. 2. The feathers of a bird and the leathery wings of a bat.
  2. 3. Taught itself how to fly
  3. 5. Propels like rocket engines.
  4. 6. These are slow fliers but magnificent gliders.
  5. 7. The spped king of the bird world.
  6. 8. Trillions of years ago, animals learned to defeat the force of the earth's gravity by doing this.
  7. 9. Bats perfected radar as well as this.
  8. 11. An example of where ballastics uses the science that measures speed, direction and height of a moving object.
  9. 12. These move swiftly, darting up and down with ease.
  10. 13. The machine closest to one kind of natural flight.
  11. 14. The most intelligent form of life and the most inventive.
Down
  1. 1. The very first creatures to fly.
  2. 2. Invented to defeat the force of gravity and take to the air.
  3. 4. Have larger wings and bodies than most insects.
  4. 5. Glides like flying machines.
  5. 10. The bat is the most ___________ flyer.
  6. 15. The bats favourite food.