Explore the concept of time scales in relation to human life in this educational video from the Elementary Mathematics series. Delve into the fundamental units of time - days, months, and years - as they relate to the movements of the Earth, Moon, and Sun. Examine a 100-year linear scale representing the potential human lifespan, highlighting key stages and milestones. Engage with numbers in a practical context, connecting mathematics to personal experiences and the world around us. Learn about interesting facts regarding longevity in various species and discuss average life expectancies. Gain valuable insights into measurement, scale, and units through this accessible and informative presentation on the time scale of human life.