* Noun: When referring to the physical substance something is made of.
* Example: "The chair is made of sturdy material."
* Adjective: When describing something as relevant or pertinent to a specific topic or situation.
* Example: "This information is material to the investigation."
* Verb: When referring to the act of providing physical materials.
* Example: "The construction crew materialized the building plans."
To determine the correct part of speech for "material" in a sentence, consider its role and function within the sentence.