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In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.

Use this hands-on activity to demonstrate infrared and thermal radiation.