This essential resource provides primary and secondary teachers with 75 user-friendly strategies for using formative assessment to enhance science teaching and learning. The author addresses how to balance opportunity to learn with assessment of learning and describes a rich repertoire of purposeful methods that weave assessment throughout teaching and learning. The book provides guidelines to help teachers become more aware of the different ideas students bring to their learning, see the connections between learners' thinking and the specific ideas included in standards, and provide learning experiences that build a bridge between students' thinking and accepted scientific ideas