Adjectives describe nouns, while adverbs describe verbs, adjectives, and other adverbs. Most adverbs have the ending -ly.

Example of an adjective describing a noun:

Sara sang a beautiful song. (song = noun)

Example of an adverb describing a verb:

Sara sang beautifully. (sang = verb)

Example of an adverb describing an adjective:

Simulation 3 used a differently shaped pole shoe. (shaped = adjective)