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,...

How many simple machines does it take to make a robotic arm? An inquiry-based instructional activity explores that topic and challenges pupils to build a robotic arm that can stretch, turn, and more. A few questions help guide them in...

What do our brains have to do with reaction timing? Everything! In a hands-on learning activity, young scientists participate in four card activities that measure reaction timing. Each activity gets progressively more complex, and...

Students complete experiments to learn about their internal body clocks and physiological activities. For 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 lesson begins with a discussion of underwater robots. Then groups research one of these robots and present their...

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...

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.

Students make a sundial. In this time lesson, students determine the time of the day by creating a sundial. They check the time on the sundial, hourly, for one week. Afterward, they explore what happened to the shadows in reference to...

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...

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...