This guided inquiry activity was developed to help students "view" an equilibrium system from the particulate level and make connections to their macroscopic observations. Part I helps students observe a physical equilibrium system in which water is transferred between two larger containers. In Part II, students examine what happens to a chemical…

Communities, Cameras, and Conservation (CCC) is the most exciting and valuable program the author has seen in her 30 years of teaching field science courses. In this citizen science project, students and community volunteers collect data on mountain lions ("Puma concolor") at four natural areas and public parks along the Front Range of Colorado.…

What bird species live in your area? Which migrate and which stay year-round? How do bird populations change over time? Citizen science provides the essential tools to address these questions and more. With ever-growing databases such as Project FeederWatch and eBird, students can connect with people around the world as they make observations,…

Argument-Driven Inquiry (ADI) is an instructional model that enables science teachers to transform a traditional laboratory activity into a short integrated instructional unit. To illustrate how the ADI instructional model works, this article describes an ADI lesson developed for a 10th-grade chemistry class. This example lesson was designed to…

In this article, the author describes a student-centered research project he introduced to his students. In this research project, his students used images collected by telescopes at Kitt Peak National Optical Observatory (KPNO) to look for novas in the Andromeda Galaxy. This project grew out of the author's experience during a Teachers As Leaders…