Do your pupils need to practice using and making dichotomous keys in science? This printable science activity will help them learn how to use keys, or build upon existing skills. It features different dog breeds for students to identify and provides an opportunity to create their own keys. What’s included in this PDF: 3 keys (2 with 4 dog breeds to identify, one with 8. There’s some crossover so use according to students’ needs). 2 black and white blank keys with dogs for students to write their own key. 4 full full-colour keys with dogs for students to write their own key.