Great Inventions

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Across
  1. 1. It has many applications in our daily life.
  2. 4. Cars have internal combustion ________.
  3. 5. It prevents food from spoiling.
  4. 6. It was discovered by Alexander Fleming.
  5. 8. Big city life wouldn't be posible without it.
  6. 9. We can draw and write on it.
  7. 10. First moving pictures were seen through it.
Down
  1. 2. Without it, there woudn't be light at night.
  2. 3. It prints text on a wide scale.
  3. 7. Sailors still use it for navigating.