Understanding Time

Since the earliest times, civilisations have understood the importance of time. If you want to plan your future, or simply know how long things take to do, then the precise ________ of time is a necessity.

• measure

• measuring

• measurement

• measurable

That's why ancient cultures put such a lot of effort into the development of _______ calendars and clocks.

• rely

• reliable

• relying

• relied

At first, people used the __________ of movements in the night sky as a way of predicting annual events.

• observe

• observation

• observing

• observed

The Ancient Egyptians realised that it would be __________ to divide days up into smaller units of time.

• use

• useful

• useless

• usefully

They were responsible for the ______ system of twenty-four hours in a day that we still use today.

• invent

• invention

• inventing

• inventor

The first clocks were sundials using the ___________ of the Sun's shadow to mark the passing of the day.

• long

• length

• longitude

• longing

This worked well in sunny countries but was _________ for places where the sky was often cloudy.

• appropriate

• inappropriate

• appropriately

• appropriacy

People living there had to wait for the development of the mechanical clock before they could tell the time with any degree of ________.

• accurate

• accuracy

• accurately

• accurateness