Forming a Precipitate

Things are getting a little slippery in an inquiry-based lesson studying precipitates. Learners use soap and Alka-Seltzer tablets to create different mixtures with water. They then study the properties of the mixtures including their ability to produce suds. 

1 Collection 3 Views 0 Downloads NGSS: Designed
Instructional Ideas
  • Bring a sample of hard and soft water to compare with mixtures in the experiment
Classroom Considerations
  • Review safety precautions for handling chemicals prior to the activity
  • Fits as the 12th lesson in the consecutive 16-part Inquiry in Action series 
Pros
  • Emphasizes scientific vocabulary throughout
  • Includes a detailed teaching guide to help plan for instruction
Cons
  • None