University of Maryland
Um: Carbon Dioxide Balloon on Liquid Nitrogen
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of sublimation. Shows apparatus and set-up; provides suggestions. Easily adaptable as a student project or lab...
Exploratorium
Exploratorium: Science Snacks: Conversation Piece
Did you know a balloon filled with carbon dioxide can act as an amplifier? In this activity test how sound travels through carbon dioxide molecules.
Science Bob Pflugfelder
Science Bob: Watch Yeast in Action!
Gives a procedure for observing the creation of carbon dioxide by active yeast. Following the procedure, a brief description of how yeast is used in bread is presented.
TeachEngineering
Teach Engineering: Environment
Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable and...
TeachEngineering
Teach Engineering: In and Out Reactor
Students learn about material balances, a fundamental concept of chemical engineering. They use stoichiometry to predict the mass of carbon dioxide that escapes after reacting measured quantities of sodium bicarbonate with dilute acetic...