In Ontario, the requirements begin with a University Degree, followed by a Bachelor of Education (one year, commonly called Teachers' College). It is far too complicated to go into specific details, like how much specialization there should be, without knowing more about the questioner.
Because it's what you want to become. If your questioning your decision maybe you need to become something else.
Job titles are usually only capitalized in business/professional material, rather than in common prose. Writing either "Physics Teacher" or "physics teacher" would be correct, but "Physics teacher" or "physics Teacher" would not.
He was a physics teacher.
yes a math teacher can teach physics
With a degree in California physics, one could work for research and development companies, become a high school physics teacher, and work for research labs or power plants.
who was ernest greens teacher
They had no chemistry
Ask your teacher.
Teacher-physics.
the physics of music is you have to concintrate and listen to your teacher and pay atention to the music
a physics teacher can make physic easy to study
Physics knowledge allows a physics teacher to explain complex concepts clearly and effectively to students, demonstrate experiments to enhance understanding, and design engaging activities to promote learning. Additionally, a deep understanding of physics principles enables the teacher to answer questions, solve problems, and provide real-world applications of the subject matter.