Question

historian and check your answers 42.02 Listen again. Are the sentences true or false? Correct the false sentences. 1 Sundials are always accurate. 2 Water clocks were often used with another clock to make sure they were accurate. 3 Candle clocks appeared at around the same time as hourglasses. 4 The first clock towers didn't display the time visually. 5 The minute hand didn't appear on clock faces until pendulum clocks were invented. 6 Mechanical clocks work on the same principle as quartz clocks. 7 Quartz clocks require electrical power to work. 8 Atomic watches are the most reliable and trusted clocks today. ith come E

Answer 1

1. False - Sundials are not always accurate; they depend on sunlight.

2. True - Water clocks were often used in conjunction with other timekeeping devices to enhance accuracy.

3. False - Candle clocks and hourglasses did not appear around the same time; candle clocks came later.

4. False - The first clock towers did display the time visually, typically with bells.

5. False - Minute hands were present on some earlier clocks before the invention of pendulum clocks.

6. True - Mechanical clocks and quartz clocks operate on different principles.

7. False - Quartz clocks do not require electrical power; they function using a quartz crystal.

8. True - Atomic watches, synchronized with atomic time standards, are highly reliable and accurate.