Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder

In this demonstration, learners observe vinegar and baking soda creating carbon dioxide (CO2) in a bottle. The gas is poured out of a bottle onto a candle flame, putting out the candle.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

Learners test two jars containing hot water, one covered with plastic and one open, for changes in temperature.

Learners play the role of materials engineers as they test the flexibility of different materials.

Learners explore the concepts of equilibrium and center of mass by seeing how non-symmetrical objects balance.

Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

Learners take on the role of environmental engineers as they design water filters.

Learners test two jars, one containing plain air and one containing carbon dioxide gas, to see their reactions to temperature changes.