The proper way to write this job title is in lower case: physical therapist. While some job titles are capitalized when put with the name of the person, such as President Obama. most are not. The title of physical therapist is always written in lower case.
No, "secondary students" should not be capitalized in the middle of a sentence unless it is a proper noun or at the beginning of a sentence.
Dodgeball is capitalized if it starts the sentence. But if dodgeball is used in the middle of a sentence it is not capitalized.
No it shouldn't be capitalized.
No, "sister" is not capitalized in the middle of a sentence unless it is used as part of the name or title that is capitalized. For example, in "I have a younger sister," "sister" would not be capitalized.
No, "polar" should not be capitalized when used in the middle of a sentence. It should only be capitalized if it is the first word of a sentence or part of a proper noun.
No it shouldn't be capitalized.
no
No, "narwhal whale" does not need to be capitalized in the middle of a sentence unless it is part of a proper noun or title.
No, the word "winter" should not be capitalized in the middle of a sentence unless it is at the beginning of a sentence or part of a proper noun.
Yes, "Mars" should be capitalized in the middle of a sentence as it is a proper noun referring to the planet.
No, the word "antibiotic" should not be capitalized in the middle of a sentence unless it is at the beginning of a sentence or part of a proper noun.
No, the word "century" is not capitalized unless it begins a sentence. So "thirteenth century" would not be capitalized in the middle of a sentence.