This demonstration will provide students with a visual representation of the structure of DNA. Students will learn the different components that make a nucleotide, the correct base-pair connection between nitrogenous bases, and visually see the double helix structure of DNA.
Related Resources:
Teacher Demo/Student Activity: Elephant's Toothpaste
Categories: Lab/Student Activity, Teacher Demonstration
This demonstration is an entertaining way to introduce simple chemical reactions and the types of evidence that indicate the occurrence of chemical change, including the production of a gas. A link... read more
Teacher Demo: Neutrally Buoyant Helium Balloon
Categories: Teacher Demonstration
Almost every child at one time or another has experienced the wonder, and later, a sense of loss, from a helium balloon. The emotional attachment most students have to helium balloons can be used to... read more
Teacher Demo: Covered Lens
Categories: Teacher Demonstration
This demonstration will help students understand what is required for an image to be formed by a lens. As well, it will help to diagnose possible misconceptions about image formation. read more