When it is at the start of a sentence.
No, it shouldn't all be uppercase, and it doesn't need to be capitalized unless it is the first word in a sentence or part of a title.
The word "chemistry" should be capitalized only when it is at the beginning of a sentence or part of a title.
Generally not unless it is the first word in a sentence.
It should only be capitalized if it is the beginning of a sentence, if is part of a proper noun, or if it is a word in the title of a book, article, movie, story, etc.
No, the word "equator" should not be capitalized unless it appears at the beginning of a sentence or as part of a proper noun (e.g., Equator Line Cafe).
No, astronomy is not capitalized when used in a sentence. The only time it is capitalized is when its used in a title of something.
No, it shouldn't all be uppercase, and it doesn't need to be capitalized unless it is the first word in a sentence or part of a title.
No, the word forecast should not be capitalized in a sentence.
Astronomy is a long word.
No, the word "novel" does not have to be capitalized in every sentence. It should be capitalized only if it is the first word in a sentence or part of a title.
No, the word "fifteen" should not be capitalized in a date within a sentence unless it is the first word of the sentence.
No, the word basketball is not a proper noun and so it does not get capitalized in a sentence unless it is the first word of that sentence.
The word "victim" is not typically capitalized in a sentence unless it is at the beginning of a sentence or part of a title.
Since "mammogram" is a common noun, it should only be used at the beginning of a sentence and should not be capitalized. Stated differently, write "I had a mammogram today" rather than "I had a mammogram." Only capitalize it if it begins a sentence or is a part of a title.
I am in home, dear. "dear" is not capitalized when at the end of a sentence.
No, the word "region" does not need to be capitalized in a sentence unless it is the first word of the sentence or part of a proper noun (e.g. "Pacific Northwest region").
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.