Activity
University of Maryland

Um: Carbon Dioxide Balloon on Liquid Nitrogen

For Students 9th - 10th
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...
Unit Plan
TeachEngineering

Teach Engineering: Environment

For Teachers 3rd - 5th
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...
Activity
TeachEngineering

Teach Engineering: In and Out Reactor

For Teachers 9th - 10th
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...