Chemistry video quiz

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.