Are your students learning about the life cycle of a frog, bird, bug, whale, or cat? Are you collecting resources to meet NGSS 3-LS1-1? (Develop models to describe that organisms have unique and diverse life cycles but all have in common birth, growth, reproduction, and death.) With this FREE product, students cut apart squares that represent the stages in an animal’s life, glue them back-to-back with a piece of string between the images, and then suspend the images in a spiral from an embroidery hoop or a loop make from a folded piece of construction paper. Choose from blackline images, color images, or blank …