Curated OER
"Pennsylvania Watersheds, Many Ways to the Sea"
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.
Curated OER
Sea Stars and the Northern Abalone: A Race for Life!
Students compare and contrast the ecosystem, structure and behavior of survival of the abalone versus the sea star. They consider the ramifications of reintroducing the endangered abalone. They present their findings to the class.
Curated OER
Water World Story
Fourth graders write a story about how a drop of water may have traveled to school. They design a presentation on the water cycle.