A Look at What the Public Knows and Does Not Know About Science, September 10, 2015: “A new Pew Research Center survey finds that most Americans can answer basic questions about several scientific terms and concepts, such as the layers of the Earth and the elements needed to make nuclear energy. But other science-related terms and applications, such as what property of a sound wave determines loudness and the effect of higher altitudes on cooking time, are not as well understood…higher educational levels are associated with more factual knowledge of science, and…college graduates who took at least three college-level courses in science or mathematics have higher levels of science knowledge than do those who took fewer science and math courses…”