Curated OER
The Water Cycle
Students access prior knowledge of the water cycle by completing a KWL. In this water cycle lesson, students follow the movement of water through the water cycle.
Curated OER
Ecological Cycles Part 1
Knowing about the hydrologic cycle is the first step to understanding the carbon cycle. Upper graders discuss the earth's water content, polar ice caps, and the concept of the ecological cycle as it applies to carbon, nitrogen, and other...