How is DNA structured? Composed of deoxyribose, phosphate, and bases, DNA seems so simple, yet it determines so much of who we are. Give your class a better understanding of their genetic makeup with this video. Part two of two.

Plastic bags are so useful and you can find out how they're made by watching this clip. We see inside the factory where plastic bags are made, learn what they are made of, and all the ways they can be used. Wow, 35,000 bags for every one...

This video segment adapted from A Science Odyssey looks at the invention of nylon. [3:51]

Video explaining how nylon, the world's first synthetic cloth, came to be invented, and the chemistry of how it is made. Its importance in the Second World War is also described. [6:47]

Hank talks about how polymers were developed an the different types that are common in the world today. [10:15]

Winter Olympic athletes and scientists discuss the science and technology behind the clothing the athletes wear in competition. [5:12]

Introduction to carbohydrates (saccharides). Monomers and polymers. Glucose and glycogen. [4:27]

This lesson will explain and provide examples of how different types of error impact accuracy and precision. It is 1 of 3 in the series titled "Error Analysis."

Simple video explaining what natural and synthetic fibers are, e.g., cotton, wool, and silk versus nylon, polyester, and rayon. Discusses monomers and polymers. [1:48]

Paul Andersen explains how polymers are formed from monomers. He describes how carbohydrates, protein and nucleic acids are created through condensation reactions. He also explains how these macromolecules are broken down through the...