Columbus Mayor Michael Coleman said he is willing to work with other cities to assist with the immigration crisis at the U.S. southern border. His spokesman Dan Williamson warns, though, the city’s social service agencies do not have the capacity to take in large numbers of immigrant children. “If our social services agencies were to [...]
Calendar in Ice
The ways tree rings and glaciers reveal past events and record time.
In this lesson students will learn how an ice core provides a record of past climates. Students will create a timeline of their life experiences, analyze model glacier data, and create an ice core diagram of the Dust Bowl years.
Download teacher’s guide (PDF, 116K)