Curated OER
States of Consciousness
Students investigate sleep. In this psychology lesson, students discuss five environmental factors leading to stress related to sleep.
Curated OER
Biological Rhythms
Students conduct experiments to determine their circadian rhythms for a cycle of about 24 hours.
Science Buddies
Science Buddies: Can Your Body Temperature Tell the Time of Day?
If you have ever had to adjust to a new time zone, you have noticed that it takes a while before you start to feel normal again. By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms....
Science Education Resource Center at Carleton College
Serc: Physiology Monitoring and Cycles Lab With Report
Using physiology monitoring, students will understand how to collect data using scientific methods in this activity. Students will also learn how to communicate the finding in a lab report. Physiology monitoring will include measuring...
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.
Encyclopedia of Earth
Encyclopedia of Earth: Health Effects of Light Pollution
Article discusses the impact of light pollution on the health of human beings as well as on plants and wildlife. (Updated July 18, 2012)
Trinity University
Trinity College: Times of Our Lives
A fascinating Trinity College site which addressed our use of time; there is a historical piece as well as contemporary uses of time in different societies. Those societies which place a high value on the symbol of "time" are compared to...
Sumanas
Sumanas Inc: Life: The Science of Biology: Time Compensated Solar Compass
How do birds know what direction to fly when they fly south for the winter? This tutorial explains circadian rhythm using an experiment performed with pigeons.
Science Buddies
Science Buddies: The Effect of Artificial Light on Migration Pattern of Daphnia
This elegant project employs a scientific approach that is particularly valuable in Environmental Science, but can be applied to other areas as well. The approach has three steps: 1) from your observations in the field, form a...
TED Talks
Ted: Ted Ed: How Plants Tell Time
Morning glories unfurl their petals like clockwork in the early morning. A closing white waterlily signals that it's late afternoon. And moon flowers, as their name suggests, only bloom under the night sky. What gives plants this innate...
CK-12 Foundation
Ck 12: Biology: Cyclic Behavior of Animals
[Free Registration/Login may be required to access all resource tools.] Overview of the two types of cyclic behaviors of animals.
Khan Academy
Khan Academy: Timekeeping
Why do we need calendars and clocks? To survive in this complex society, you need to track what others are doing and when they're doing it. You also need to know what's happening in the natural world. This article discusses how/why...
CK-12 Foundation
Ck 12: Life Science: 8.5 Cyclic Behavior
Explore different types of cycles in animal behavior.
University of Washington
Neuroscience for Kids: Biological Rhythms
Site contains experiments students can do in the classroom to enhance their understanding of biological rhythms.
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.