1. Chapter 1

2.  Chemistry is the study of matter and the changes matter undergoes  There are 5 main branches of chemistry

3.  The study of carbon containing compounds  Propane, ethanol, alcohols, fuels, etc

4.  The study of compounds not containing carbon  Acids, bases, minerals

5.  The study of the behavior of chemicals  Will a compound explode or melt?  Will something stretch or break?

6.  The study of the composition of substances  Does this sample of blood contain lead or a certain drug?

7.  The study of the chemistry of living organisms  Respiration, digestion, amino acids, molecular genetics all require biochemistry

8. Name some aspects of life that involve chemistry:  Chemistry is involved in virtually every aspect of our lives!

9.  3000 years ago: iron from iron ore  500 B.C.: invention of steel  Then came materials such as brass, bronze and ceramics

10.  Plastics are made of polymers  Polymers = many units  Plastics are very large molecules used for many different purposes

11.  Chemistry plays an essential role in the conservation and production of energy.

12.  Solar and wind power  Sodium lamps  Development of more efficient light bulbs and cars

13.  Photosynthesis  Fossil fuels  Batteries

14.  Production of medicines  Prosthetic and synthetic body parts  Transfer of genes in gene therapy

15.  Production of insecticides and herbicides  Development of tougher more productive plants through the understanding of plant hormones etc…

16.  Smog  Ozone depletion  Acid rain  Global warming

17.  Analyzing the chemical composition of rocks from the moon.  Analyzing the chemical composition of the atmosphere of other planets such as Mars.

18.  Chemists use the Scientific Method when studying anything in chemistry  There are 4 main steps to the scientific meth od

19. observation  First, is observation hypothesis  Observation leads to an hypothesis experiments  After the hypothesis come the experiments

20. theory  Finally, after many experiments and supported hypotheses, comes a theory – a broad explanation scientific law  A scientific law is a concise statement to summarize results