Are common nouns capitalized?

A proper nouns is never capitalized.

Check all the common nouns.

Which one of these words is a common noun?

What is the common noun in this sentence:

Pizza is super delicious!

Check all the proper nouns.

Choose the proper nouns below that need to be capitalized.

Is the word Christmas a proper noun or a common noun?

Which word is a proper noun?

Mark all the proper nouns that are not correct in this sentence: I really like soda, so my sister, Sue, drove me to walmart to buy a sprite.