Beakman shares some trivia about islands. He then shows a pool of water with two islands in it. He drains the water to show that the islands are really the tops of mountains. Using an animated clip, he explains the various ways that islands are formed.
Phil walks us through the different layers of the atmosphere. He explains what we can expect to find at each layer and the concentration of air molecules at each level.
Bill Nye explains why it gets colder as one travels up through the atmosphere. He uses miniature replicas of a city and a mountain to support his explanation. Bill also briefly touches upon the lapse rate.
This beginning scene of Wall-E depicts a post-acopalyptic Earth. The Earth has an enormous amount of environmental pollution and trash. There is little life in sight besides Wall-E and a cockroach.