Powder Particulars

By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear. By using cabbage juice pH indicator, the class sees that there are different reactions to cream of tartar and laundry detergent solutions. These activities with vivid results are a great way of piquing interest in chemical reactions.