The nonfiction selection “Hidden Worlds” informed me about the life of botanist Dennis Kunkel and his scientific discoveries. This story inspired me to research more about the numerous fields of science, such as biology and geology. However, the field of science that intrigued me the most was chemistry, the study of matter and chemical reactions between substances. Everybody is a chemist. Chemistry affects everything in our lives, from cooking food to cleaning a house. Chemists improve the way we live and help the environment. The five main braches of chemistry are analytical chemistry, physical chemistry, organic chemistry, inorganic chemistry, and biochemistry. Analytical chemistry classifies and measures the physical and chemical characteristics