PBS
Signal Senders
Send a signal to let others know one's location. Scholars investigate how scientists track the movement of marine wildlife. They model the process by creating a custom sound that can be used to identify each group member as they walk by.
American Museum of Natural History
The Legend of the Flying Frog
Young conservation biologists have an opportunity to get involved in the effort to save endangered species. After reading and illustrating the tale of the Flying Frog, they craft a tale about another fictional endangered species.
Howard Hughes Medical Institute
Population Dynamics
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
Constitutional Rights Foundation
Rachel Carson and the Modern Environmental Movement
Scholars analyze the environmental movement started in the 1960s. Through excerpts from Rachel Carson's books as well as diary entries, they take a look at the reason for the modern movement to save the planet and then create final...
American Museum of Natural History
DNA Detective
DNA is like the fingerprint of genetics. A quick lesson introduces the topic of DNA sequences with a mystery about an endangered species. The lesson shows how DNA extraction, replication, and sequencing often provide undeniable evidence...
American Museum of Natural History
DNA Detective
Match up the DNA code. Pupils read the website from the American Museum of Natural History about how DNA can determine whether a skin is from a particular type of reptile. Using the same technique, learners match up products with the...