Video quiz

Challenging interactive quiz format with entertaining graphics, fascinating images and lively hosts.

Introduces students in grades four through ten to the basic concepts, theories, and applications of genetics, explaining how DNA maps out human life and how the model and function of DNA was discovered. Includes a video quiz designed to test students' knowledge of the subject.

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.

Explores how chemistry is applied in the real world and introduces the nature of chemical reactions. Tours a crime lab to show how a forensic scientist uses chemical analysis to solve a crime. Examines how energy is created by chemical reactions and illustrates the physical dynamics of fuel cells and the burning of fuels. Also introduces the process of combustion, explaining how natural fires occur and highlighting the work of firefighters in extinguishing them. Concludes with an examination of smell as a chemical sense.