pHun with Phenolphthalein

Unit 7: Cells: Structure, Function, and Processes
Lesson 12 of 12

Objective: Students will be able to recognize the relationship between structure and function in living things.

Big Idea: Students dip agar containing phenolphthalein into ammonia revealing hot pink diffusion! Using these colorful cubes students can investigate how surface area to volume ratio affects diffusion in cells!

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9 teachers like this lesson
Subject(s):
Science, Cells and Cellular Processes, diffusion, cells, cell function, cellular respiration, plant cells, cell membrane, middle school, pH indicator, transport, surface area to volume ratio, structure and function , microscope
  90 minutes
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