A conjunction is a word that joins together words, phrases, or parts of sentences. In this grammar worksheet, learners will practice identifying conjunctions and correctly placing punctuation in each of five sentences. When they are done, they will write their own sentence using a conjunction. An extra prompt invites them to draw a picture of their sentence! Designed for third graders, this worksheet is simple, fun way to help learners identify, use, and add punctuation to conjunctions in sentences.