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Why Do the Colors of Leaves Change in the Fall?
- Level: High School
- Topic: Biochemistry
Description:
The color change of the leaves on deciduous trees is one of the most striking signals that summer is ending and fall is beginning. What is it that causes this change in color? We all know that leaves contain chlorophyll – giving them their green-color but why do they change from green to the palette of colors we see in the fall? In this investigation students determine the pigment molecules that green plants contain and what happens to those molecules as the season progresses.
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Research Host:
C. Subah Packer Ph.D.
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- Arsenal Technical High School
Indianapolis, IN
- 2000 Frontiers in Physiology
- Summer Research Teacher
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- Indiana University School of Medicine
, IN
- 2000 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 | 4 |
| An integrated Internet component | yes |
| Assessments for content knowledge | yes |
Assessments for process skills | yes |
| Addressed the "ABC" rules for humans
and/or animal use | N/A |
| Use of multiple learning
styles and opportunities for all students | yes |
| Proper safety precautions and
warnings | yes |
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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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