Submitted by khenkes on Fri, 12/27/2019 - 10:15
Explains how naturally occurring chemical elements are essential for life. Describes the atomic structure of elements and identifies how chemical compounds are made. Explores the elements found in the atmosphere and those used to enable space flight. Examines how noble gases can be used to create light, including the colored light found in electric signs. Also describes how graphite and diamonds are made from the same carbon elements and looks at the chemistry involved in creating fireworks.