A flexible approach to a project-based learning science unit

Caitlin J. Coffeen
Wed, 22 Apr 2026 17:45:05 PDT

The global pandemic of COVID-19 has impacted education for more than 1.5 billon students worldwide. Many governments are urging or requiring schools to implement some form of online learning due to the concern of disease transmission. This requires educators to remain flexible and adaptable in their pedagogical approaches. The project-based learning (PBL) model allows for flexibility while aligning to the Next Generation Science Standards (NGSS) and the Common Core State Standards (CCSS). PBL is a student-driven, real-world unit that uses a driving question that leads an investigation. The student learns through the creation of a product, which is then shared with an authentic audience. The purpose of this project is to provide a flexible approach to a problem-based learning (PBL) unit on how individuals can impact the environment. This unit is geared towards the fourth and fifth grade traditional or distance learning classrooms and alternative schooling options such as homeschools and co-ops. This month-long unit includes 15 comprehensive lesson plans, a field trip guide, and corresponding graphic organizers and instructional aids. This project is available for free on an online platform.