Early readers are learning letter-sound relationships, spelling patterns, and much more! This worksheet has students practice reading vowel diphthongs ow and ou. A diphthong is a complex vowel sound that occurs in a single syllable. Students will reference a word bank and complete each sentence with the correct ou or ow words, such as "cow," "round," and "house." This resource is ideal for a second-grade classroom to help boost reading and writing comprehension.