Turning water into wine and then into beer and finally milk is an extremely versatile chemistry demonstration. It can be used to introduce or reinforce several important concepts in chemistry including evidence for chemical change and types of chemical reactions – by simply pouring a liquid from one glass to another, four different “beverages” are instantly created!
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Student Activity: Counting Atoms and Molecules
Categories: Lab/Student Activity, Teacher Demonstration
Chemists are constantly faced with the daunting task of counting large numbers of items, specifically atoms, ions, molecules and compounds. This task is made even more difficult by the fact that not... read more
Teacher Demo/Student Activity: Glow Sticks
Categories: Lab/Student Activity, Teacher Demonstration
In this demonstration, students observe what happens to activated glow sticks when they are submerged in water at three different temperatures: cold, room temperature, and hot. Students will use... read more
Teacher Demo: Water Quality Investigation
Categories: Teacher Demonstration
This demonstration shows some differences between potable (drinkable) water and non-potable (non-drinkable) water. Variations in temperature, turbidity and pH level also determine the types of... read more