This is a tricky one. ‘Am feeling’ is a verb phrase. While ‘am’ is a linking verb thereby making ‘dizzy’ an adjective describing ‘I’, throwing ‘feeling’ in there confuses the situation. Ask yourself, what are you doing in the sentence? You are feeling (verb). How are you feeling? Dizzy. Since you can answer it in the manner, dizzy is an adverb in this sentence describing the verb feeling.
previous chapter to what? I'm pretty sure what youre supposed to do is just name a vocab word from the last chapter you read from whatever book youre supposed to read