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.
Related Resources:
Teacher Demos: A. Digestive enzymes, B. Control of Breathing, C. Baroreceptor Reflex
Categories: Teacher Demonstration
These three demos allow students to experience applications of knowledge of the digestive, respiratory, and circulatory systems by doing very short activities on themselves. They also allow the... read more
Safe ON Science Second Edition
Categories: General Interest, Teacher Demonstration
2018 Version – Safe ON Science is STAO/APSO’s safety resource for high school teachers. It is written by STAO/APSO’s Safety Committee, a panel of experienced teachers with a strong background... read more
Teacher Demo or Activity: Pop Rocks - What a Gas!
Categories: Lab/Student Activity, Teacher Demonstration
This activity allows students to explore the composition of the candy Pop Rocks by observing the reactions that take place when Pop Rocks are placed in water. read more