In a timeline, the dates of important events are not arranged in any order.

• True

• False

A century means _______ years, while a decade is _______ years

How do we measure time?

• In seconds and minutes

• In hours and days

• In weeks, months and years

• By looking at a clock

• All of the above

When an event happens, there are three things that we should know. What are they?

• The number of people, animals and plants

• What did the government, officers and police do

• What happened, when did it happen and where did it happen

What is a timeline?

In ancient times when there were no clocks, how did people tell time?

• By observing the waves in the ocean

• By watching the moon and the birds

• By looking at the movements of the stars at night or of the sun during the day

• By measuring the direction in which the wind blows

The system of naming months and years that we use is called the ______________ calendar

The Gregorian calendar measures time by studying:

• The revolution of the Earth

• The rotation of the Earth

• The movement of the Earth around the Sun

• The movement of the moon

Most Indian calendars are based on

• The movement of the Sun from East to West

• The movement of the moon

• The movement of the Earth around the Sun

• The movement of satellites

Re-arrange the following dates in the right order by choosing the correct order of the option numbers:

1. 19th September, 2011.

2. 27th May, 2013

3. 17th June, 2011

4. 5th December, 2013

5. 11th March, 2012

• 5, 2, 1, 4, 3

• 1, 3, 5, 4, 2

• 3, 1, 5, 2, 4

• 5, 4, 3, 2, 1