The difference between concrete and abstract nouns can be a little fuzzy. Let's start by focusing on the word origins of "concrete" and "abstract", and see if that gives us a way in.

Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-nouns/e/abstract-and-concrete-nouns?utm_source=YT&utm_medium=Desc&utm_campaign=grammar

Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/introduction-to-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_campaign=grammar

Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-nouns/v/bonus-video-origin-of-the-mutant-plural-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_campaign=grammar

Grammar on Khan Academy: Grammar is the collection of rules and conventions that make languages go. This section is about Standard American English, but there's something here for everyone.

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