In the elementary grades, the butterfly is a commonly used curricular context for children to learn about growth and development of organisms as they progress through their life cycle. "A Framework for K-12 Science Education's" life science core idea LS1.B, Growth and Development of Organisms, states that by the end of grade 5,…

This column focuses on promoting learning through assessment. This month's issue explores structure and function as it relates to animals and plants. One of the disciplinary core ideas in "A Framework for K-12 Science Education" is LS1.A Structure and Function (NRC 2012). This disciplinary core idea is included in the "Next…

This column focuses on promoting learning through assessment. In 1999, a group of researchers from Indiana University and Purdue University decided to investigate data about students' ideas in science by inviting National Science Teachers Association members to participate in a research study about children's conceptions of animals. Published in…

This column focuses on promoting learning through assessment. The author discusses the formative assessment probe "Pond Water," which reveals how elementary children will often apply what they know about animal structures to newly discovered microscopic organisms, connecting their knowledge of the familiar to the unfamiliar through…

If life continues from generation to generation, then all plants and animals must go through a life cycle, even though it may be different from organism to organism. Is this what students have "learned," or do they have their own private conceptions about life cycles? The formative assessment probe "Does It Have a Life Cycle?" reveals some…