Explosion and gunfire as Mosul assault continues

What is the primary focus of the introduction section?

• The history of time measurement

• The concept of duration and its importance

• Different types of clocks

• The future of timekeeping

Why is understanding duration important?

• It helps in planning and organizing tasks

• It is only useful for scientists

• It is not important

• It is a fun hobby

Which method is NOT typically used to measure duration?

• Counting heartbeats

• Listening to music

• Observing the sun's position

• Using a stopwatch

What is a practical application of calculating duration?

• Predicting weather patterns

• Scheduling daily activities

• Cooking a meal

• Designing a building

Which of the following is an example of using duration in everyday life?

• Timing a workout session

• Reading a book

• Writing a letter

• Painting a picture