Crayfish, also known as "crawfish" or "crawdads," are easy to keep in the classroom, and with patience and luck, students will observe the complete life cycle of the crayfish. They will also learn about aquatic animals and habitats and get to conduct inquiry experiments about animal behavior. This article describes how a third-grade teacher used…

A partnership between a university and a science and technology magnet school brings a renowned herpetologist. Dr. Meg Stewart, to involve third-graders in her studies of coqui frogs. These students prepared to meet this scientist with a series of lesson plans (eight activities and four lab lessons) to learn the anatomy, behavior, and diversity of…

This thematic unit involves 2nd and 3rd grade students in an in-depth study of wild animals and their habitats. The interdisciplinary unit connects knowledge related to art, language arts, applied mathematics, social studies, and science. Students think about different types of animals from around the world and consider how they are alike and…