Curated OER
Tick-Tock: Biological Clock
Students complete several activities that stimulate their assessment of time. They consider the term 'biological clock' and how animals in the wild depend on their own internal clocks for survival.
BioEd Online
Bio Ed Online: Sleep and Circadian Rhythms
The following lessons help students from grades 6-8 understand sleep and circadian rhythms. Lesson topics iinclude: day and night, seasons, sundails, clocks, sleep and sleep patterns and sleeping in space.
PBS
Pbs Teachers: Scientific American: Life's Little Questions: Can You Beat Jet Lag
Explore the human body's need for a normal cycle of dark and light and apply this to an understanding of biological clocks in other animals. Test the effect of light on the development of mealworm larvae into adults.