Mechanistic reasoning, or reasoning systematically through underlying factors and relationships that give rise to phenomena, is a powerful thinking strategy that allows one to explain and make predictions about phenomena. This article synthesizes and builds on existing frameworks to identify essential characteristics of students' mechanistic…

One in a series of publications on Illinois' State Goals for Learning, this report identifies what students are expected to know in the biological and physical sciences by the time they complete their elementary and secondary education. A sample set of learning objectives is provided to assist districts in the development of their own objectives.…