This link: https://quizlet.com leads you to already created study sets allowing the teacher to introduce and review material in a variety of ways. Students can choose activities that suit their learning style. Examples are: Flashcards, spelling, tests and matching games to name a few. It even includes audio that will read to the students!
To help students (and their teachers) practice and master whatever they are learning. Quizlet provides engaging, customizable activities with contributions from people everywhere.