A Cincinnati charity says it has applied for a federal grant aimed at bringing to Ohio some of the immigrant children who have flooded across the U.S. border recently.
Stories in Ice
Through examining ice cores, scientists can observe and record past climate conditions without having lived in those conditions.
This lesson introduces students to the concept of a proxy as a substitute for actual observations. Students participate in a simulation in which they use proxies to determine what their science teacher had to eat for three days before becoming ill with food poisoning.
Download the teacher’s guide (PDF, 90K)