National Science Teachers Association
Hop into Action
Young scientists find out what makes amphibians such unique and interesting animals in this simple life science lesson plan. After looking at pictures and discussing the characteristics of amphibians, learners complete a...
CK-12 Foundation
Ck 12: Third Grade Science: Life Sci: Animal Characteristics and Classification
[Free Registration/Login may be required to access all resource tools.] Presents an overview of the major animals groups (mammals, birds, reptiles, amphibians, fish, arthropods, vertebrates, invertebrates, those having live births and...