Biological Clocks?

Get young biologists' hearts pumping with this invigorating experiment on homeostasis. Working in small groups, one student performs jumping jacks for eight minutes while the other group members regularly record the person's vital signs,...

Students complete experiments to learn about their internal body clocks and physiological activities. In this internal body science lesson, students read "Body Clock Investigations" and complete a body temperature investigation.

How do you decide the best person for each job? Would it be easier if you didn't have to consider their feelings? The instructional activity begins with a discussion of underwater robots. Then groups research one of these robots and...

All types of organisms sync behaviors using biological clocks. But how do those biological clocks work? It turns out the moon is in control! Part of a larger series exploring biology, the video presents an exploration of this phenomenon...

Your class will not drift off to sleep during this episode on circadian rhythms. Though the narrator speaks quickly and continuously, he successfully explains our biological clock in a way that holds interest. Assign the viewing of this...

Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...

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.

We all know that the brain is responsible for our thoughts, actions, memories, and emotions, but it's far busier than we can possibly imagine. Watch this short video as it explores how life as we know it is made possible...

In this biology worksheet, students identify and write the various species that are still present today. Then they define evolution using three words. Students also describe what a fossil is and give some examples related to a particular...

Students conduct experiments to determine their circadian rhythms for a cycle of about 24 hours.