Ohio members of Congress are calling on the federal government to step up assistance to state health officials as it revises safety protocols to stem the spread of Ebola.
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)