Available Answers

1. 1.

   How did Galileo make a simple pendulum?
2. 2.

   Describe the structure of the first mechanical clocks. How were they used?

3. 3.

   What are referred to as 'turret clocks'?

4. 4.

   Complete the following sentence using information from the text.

   1. Galileo was ______________ and ______________ as he sat motionless in the Pisa ________________. (paragraph 1)
   2. Galileo wanted to time the _____________ _______________. He began to feel his ______________. His regular beat was his _______________ _______________ . (paragraph 4)
   3. After seven decades, a Dutch scientist, _______________ ______________, built the first ______________ ________________ based on Galileo's idea. (paragraph 8)
   4. The first mechanical clocks appeared in _______________ century AD. (paragraph 10)
   5. The first clocks were placed on church or bell towers. These clocks were called _______________. They were not of much use as they could not be used by ___________________________________________. (paragraph 11)
   6. The word 'clock' is taken from the ________________ word ______________ which means a ___________. Since the days of mechanical timekeeping, bells have always been associaated with clocks. (paragraph 12)
5. 5.

   Galileo's father insisted that he should study Medicine. Do you think it could have been a right decision? Give reasons to support your answer.
6. 6.

   Why did Galileo 'feel his pulse' while watching the lantern swing to and fro?