CLEAN : Judgement day for brother of French Jewish school shooter

The video provides a brief introduction to the topic, setting the stage for further learning.

What is the basic unit of time measurement?

• Day

• Second

• Hour

• Minute

What is the significance of one second in daily life?

• It is irrelevant in most contexts.

• It is only used in scientific experiments.

• It is used to measure long durations.

• It is the basis for calculating minutes and hours.

Which unit of time is used to define the duration of a day?

• Second

• Minute

• Hour

• Week

How many seconds are there in a minute?

• 60

• 30

• 90

• 120

Which of the following is the smallest unit of time?

• Day

• Hour

• Minute

• Second