ERN Item Type:
- Classroom Activities
Water on earth is used over and over. The water cycle, the continuous movement of water from ocean to air and land then back to the ocean in a cyclic pattern, is a central concept in meteorology. In the water cycle, the sun heats the Earth's surface water, causing that surface water to evaporate (gas). This water vapor then rises into the earth's atmosphere where it cools and condenses into liquid droplets. These droplets combine and grow until they become too heavy and fall to the earth as precipitation (liquid if rain, solid if snow). In this module, students will first carry out a number of activities that demonstrate the concepts of evaporation, condensation, precipitation, and soil moisture and runoff. The students will then construct a terrarium as a way to observe the water cycle as a whole. Immediately following this, students will use the Internet to acquire Real Time Data from the Olympic Peninsula which they can then use to describe how the phases of the water cycle look on the Olympic Peninsula.