Objective: To give students a visual representation of how the world population is growing exponentially.

Materials needed:
1. "World Population" video (available in VHS or DVD from
www.populationeducation.org)
2. VHS or DVD player and television

Introduce video:
"We're going to watch a short video. Pay attention to the lights. Each light represents 1 million people. Notice where the lights are. Where should they start? Where were the first people? [Africa] When was the plague? [1300's] Watch Europe during that time period. When would you expect to see lights in North America?"

Show video:
Turn it off at the end of the light show.