Adam and Jamie have bound two phone books together by interleaving their pages. They attempt to pull the two phone books apart and measure how much force it takes to do so.

Bill Nye explains that friction is the force we feel when things rub against each other. He then provides examples of friction to help us understand the role it plays in our everyday lives.

Cole's coach, Harry, talks to him about the importance of tires in a race. He states that they won't be able to finish a race with the way that Cole drives because he'll run down his tires too quickly. Harry suggests a deal with Cole: run 50 laps any way he likes, then run the laps Harry's way, and finally check the tires to see which tires experienced more damage. After the two runs, the tires with Harry's way of driving are in significantly better condition.

Glaciers appear on almost every continent. However, they are rapidly melting due to the warming climate.

Phil demonstrates potential and kinetic energy using an old traffic controller and a bagel. He explains the difference between the two types of energy.