Lemonade is an uncountable noun when referring to the beverage in general. It describes a substance rather than individual units, so we don't say "two lemonades" unless we're referring to two servings or containers of lemonade. In that specific context, it can be treated as countable.
Transport is both countable and uncountable as a noun.
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
Shark is a countable noun.
countable
Countable
The noun 'daytime' is an uncountable noun.
The noun 'animal' is a countable noun. The plural form is animals.
Prawn - prawns is the plural - is a countable noun
Pasta is a countable noun
Countable
The word 'violence' is an uncountable noun.
The gerund painting is a countable noun, as in "There are 12 paintings in this room."