You are about to watch a short video on World Population. This video shows how population has increased over time, and where in the world it has increased. While watching the video, answer the following questions in your notes:

Compare your answers to the possible answers below to make sure that you have a good understanding of population.

1. What did you observe in the video? Interactive popup. Assistance may be required.

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   Possible Answers:
   • Important years impacting population growth or decline
   • Dots represent population
   • Major events occurred that impacted population
   • The heartbeat
   • The various locations of the dots
   
2. Were there any specific periods/events in history when the dots decreased?Interactive popup. Assistance may be required.

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   Possible Answers:
   • Byzantium
   • The Plague
   • The Civil War
   
3. Were there any specific periods/events in history when the dots increased?Interactive popup. Assistance may be required.

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   Possible Answers:
   • Spread of Islam
   • Roman Empire
   • Exploration Period of Vikings; New World Exploration
   • Period of Liberty
   • Industrial periods
   • Electricity and Modern Medicine
   
4. What does the heartbeat symbolize and why does it get faster? Interactive popup. Assistance may be required.

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   Possible Answer: The heartbeat represents population growth and the rate of the heartbeat increases as the world's population increases.