1. Nearly 2000 years before the Industrial Revolution, an Alexandrian's amazed his contemporaries with many .......... inventions.

2. The Greeks have long been known for their artists, poets, and craftsmen. However, Alexandria also became a .......... for science, philosophy and engineering.

3. The city brought together the best of Persian, Egyptian, Babylonian and Greek scientists. Through an exchange of ideas, the Greeks built steam engines, pumps, presses, clocks and .......... calculators.

4. Hero was considered to be Alexandria's greatest engineer. It was he who first understood the potential and .......... of steam power.

5. Hero was a popular .......... in regard to displaying his scientific experiments. His fellow citizens would ask Hero to demonstrate inventions that moved effortlessly from one space to another.

6. Hero created over 80 inventions. A team at Reading University, England made a model of his "wind ball" which rotated 1500 times a minute. Present day engineers thought it to be .......... as too much steam escaped.

7. Hero's famous " .......... on Pneumatics" explained how music could be created by driving air through organ pipes. This was the first recorded explanation of the use of air to drive machinery.

8. Hero invented automatic temple doors that opened by .......... and contraction of air. Few of his inventions served a practical purpose.

9. Another invention was his coin-fed slot machine that delivered water for ritual washing before entering a temple. A coin fell on a .......... beam, activating a splash of water through a valve.

10. Despite the few practical inventions, Hero's belief was that the technique was more important than the actual product, and .......... with other engineers was as important as studying philosophy.