Practice identifying hypotonic and hypertonic solutions and determining which direction water will flow with these slides. You can assign this activity on Google Classroom, and students can complete the activity on their own or in groups. The activity features 4 slides with cells in various solutions of glucose or glucose + sodium. Next to each…
This investigation provides a hands-on way to observe what happens when a chemical moves across a semipermeable membrane. In this case, a cheap plastic bag serves as a model for the cell membrane and shows that iodine will move into the bag and turn the contents purple.