Chlorophyll Fluorescence

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From Solar Spark, this activity allows students to see how chlorophyll can be energised and how this causes it to fluoresce. Chlorophyll in plant leaves absorb red light and pass the energy on to other parts of the plant, hence leaves look green. But if there is nowhere for the energy to go, it gets released as light again. This is called fluorescence. In this experiment, students can observe chlorophyll fluorescing.

The activity can be used to illustrate:
• photosynthesis
• transfer of energy

URL: http://stem.org.uk/rx5a3

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