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.

Concepts

chemical reactions

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Additional Tags

chemical reaction, science

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Pros

• This lesson is first in ten of a mini unit on chemical change
• The bubbling and color changes are sure to awe your class and get them excited about the unit
• A complete resource that includes thorough teacher's notes and well-designed lab sheets

Cons

• None