Where is U.S. secondary-level science education heading today? That's the question that The Essentials of Science, Grades 7-12 sets out to answer. Over the last century, U.S. science classes have consistently relied on lectures, textbooks, rote memorization, and lab demonstrations. But with the onset of NCLB-mandated science testing and increased concern over the United States' diminishing global stature in science and technology, public...