Curated OER
How to Blow Up a Balloon With Baking Soda & Vinegar
A simple combination of baking soda and vinegar creates enough carbon dioxide to blow up a balloon! It's an awesome illustration of chemical reactions for upper elementary learners, or use it with slightly older scientists to introduce...
Bozeman Science
Bozeman Science: Ap Chemistry: Endothermic & Exothermic Reactions
In this video, Paul Andersen explains how heat can be absorbed in endothermic or released in exothermic reactions. An energy diagram can be used to show energy movements in these reactions and temperature can be used to measure them...