Tick-Tock: Biological Clock

Take your time with this instructional activity. Junior engineers read about different types of clocks and then work together to build a pendulum time-keeper. There are no hints as to how they might go about accomplishing this complex...

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...

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...

For this science fair project, you will build a device that records your nocturnal pet's activity by monitoring movement of its exercise wheel to see how it varies during the day and night. You can also experiment with various ways of...

Animals don't read clocks, so how do they know when it is time for eating, sleeping, and other cyclical needs? Viewers watch an animation of the genes and the molecular clocks inside most mammals. They compare the difference in wild...

Students research water clocks online, investigate how water clocks work, and construct water clock that will keep time accurately for at least two hours without human intervention.

What does the EM stand for in terms of physics? Learners are introduced to the EM, Einstein's relativity, light years, and the speed of light in terms of relativity. Good examples and concrete visuals guide viewers through the complex...

By Artem Kirsanov. Video about the biological clock. The Nobel Prize in Physiology or Medicine 2017 was awarded for research in this topic. [2:59]

Site contains experiments students can do in the classroom to enhance their understanding of biological rhythms.

Third graders investigate the events of geological time using a chart called a "Clock of Eras". In this geological events lesson plan, 3rd graders compare a standard clock to a geological clock. In addition, students consider periods...