...I am a licensed teacher in the state of Minnesota and have been teaching for four years. I have a 9-12 chemistry license and a 5-8 general science license. Some of the classes that I have taught are: 11th grade chemistry, 12th grade physics, 9-10th grade geometry, 9-10th grade science and technology in world history, 8th grade physical science, 7-8th grade STEM, and 8th grade earth science. (read more)