Mad Science of Austin and San Antonio shows us how a physical change and chemical change differ from each other. They offer birthday party packages, appear in schools and you can sign up for summer ...

Calcium carbonate is a chemical found in eggshells, seashells, and many other materials. Observe how calcium carbonate reacts with common liquids. A Plaster Master or a Plaster Disaster Plaster is ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...