Science 101: Seasons and Climate

Last year, New York City's 4th and 8th graders scored below both the state and national averages on a nationwide science exam. Every day over the next week, we'll take a few minutes to get to the bottom of some common science questions.  

Today, Edmond Mathez, curator of the department of earth and planetary sciences at the American Museum of Natural History, answers science exam questions about the age of the earth and climate change.