I am a retired Texas School Teacher. I taught chemistry, physics and physical science. I taught chemistry for 30 years. I am familiar with TAAS, TAKS and STARR requirements for State Test. I have taught 9-12 in the Dallas Independent School District and the Mesquite Independent School Dictrict. I taught 3 years in a Dallas area private school. I have used the Addison Wesley book as a primary source of high school chemistry understanding and find it to be more user friendly to high school st.