Students trace a molecule of water through the water cycle including each of its three loops. They describe why evapotranspiration demands the largest portion of total precipitation falling on a forested watershed.

Students research and identify the fish of Pennsylvania. In this earth science lesson, students view ten photos of fish and identify the characteristics of each fish. Students record observations and practice naming the fish using their...

Students explore the concept of watersheds. They investigate how the reclamation of abandoned coal mines in Pennsylvania improves water quality. In addition, they diagram the components and assess the value of a passive treatment system.

Learners research the impact that human activity had on Pennsylvania's water supply over time. In this water quality lesson plan, students research, discuss, and write about how Pennsylvania's water quality has been affected and what...