What is the purpose of the minute hand on a clock?
What are the different types of clocks?
How do mechanical clocks keep time?
What is the main purpose of a clock?
What is the standard frequency of a quartz clock?
What is the function of the escapement mechanism in a clock?
What is the purpose of the second hand on a clock?
What is the mechanism inside a clock that keeps time accurately?
How does a quartz clock keep time?
How do clocks keep time accurately?
