Coordinating Conjunctions

A coordinating conjunction connects equal parts: two or more words, phrases, or clauses.

The river rushes down the valley, and then it winds through the prairie.

(The conjunction and connects two independent clauses to make a compound sentence.)

Correlative Conjunctions

A correlative conjunction is used in pairs.

Either snow or wind can make the trip dangerous.

(Either and or work as a pair in this sentence to connect two words.)