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How Do Hypotonic, Hypertonic, and Isotonic Solutions Affect the Water Movement of a Cell?
- Level: High School
- Topic: Cell Structure and Function
Description:
The purpose of this activity is to teach students about osmosis and the effects of hypotonic, hypertonic, and isotonic solutions on animal cells. This lab is designed for high school biology students but may be adapted for middle school students. The students will be able to describe osmosis and differentiate between the effects of hypotonic, hypertonic, and isotonic solutions on animal cells and determine the equilibrium point for a chicken egg in corn syrup. They will also be able to apply this knowledge to human colonic (large intestine) epithelium, and the effects and consequences hypotonic, hypertonic, and isotonic solutions would have on these cells.
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Author:
Michael Halverson
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Research Host:
Kim E. Barrett Ph.D.
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- Valhalla High School
El Cajon, CA
- 1997 Frontiers in Physiology
- Summer Research Teacher
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- University of California
San Diego, CA
- 1997 Frontiers in Physiology
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Related Resources
- See a related
Project WISE Unit
| Criteria useful for reviewing
student-centered learning activities
include:
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In this
activity..
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| An inquiry level of 4 or 5 | |
| An integrated Internet component | |
| Assessments for content knowledge | |
Assessments for process skills | |
| Addressed the "ABC" rules for humans
and/or animal use | |
| Use of multiple learning
styles and opportunities for all students | |
| Proper safety precautions and
warnings | |
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The Frontiers in Physiology
programs are developed and sponsored by the American
Physiological Society with additional funding from the
National Center for Research Resources (Science Education
Partnership Award #RR15251) at the National Institutes
of Health. |
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