Lesson Plan

Looking Into Lactase: Guided Inquiry

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This Looking Into Lactase: Guided Inquiry lesson plan also includes:

Milk does a body good ... unless, of course, someone is lactose intolerant. Pupils play the role of pharmaceutical scientists in a guided inquiry lab about lactase. Lab groups collaborate to learn more about lactose intolerance, how lactase works within the body to help it process milk, and then design an investigation to determine the amount and types of sugars present in milk products.

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CCSS: Designed
NGSS: Designed
Additional Tags
Instructional Ideas
  • Wrap up the lab by showing one of the videos included in the Extensions section that discusses the decline of the lactase enzyme in humans
  • If time allows, have groups conduct both the temperature and concentration variations of the lab
Classroom Considerations
  • If this is the first guided inquiry lab your class has performed, plan additional time to work with each group on their processes during the activity
  • You can conduct the experiment using either temperature or concentration as the variable
  • Inquiry is the focus of the lab from start to finish, teaching learners how to approach the investigation and design their experiments
  • Includes all printable materials, pacing, and answer keys in the teacher's guide
  • None