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: What's in your breath? Neutralization Reactions
Categories: Teacher Demonstration
This activity involves the surprising neutralization reactions between the carbonic acid that forms when the carbon dioxide in one's breath reacts with water and calcium hydroxide. read more
Teacher Demo/Student Activity: Transpiration
Categories: Lab/Student Activity, Teacher Demonstration
Xylem and phloem tissues make up the "circulatory" system of a plant. The xylem tissues transport water from the roots to all of the other living tissues, while the phloem tissues transport sugars... read more
Student Activity/Teacher Demo: Spinning Dish
Categories: Lab/Student Activity, Teacher Demonstration
In this demo, two polyethylene strips are charged on one end by rubbing with wool. One charged strip is then mounted on an evaporating dish and the other charged strip is used to make the dish spin.... read more