Water - an element that fascinates! Bring a refreshing experience into the classroom and explore the wonders of water with your students. Many diverse and creative tasks encourage hands-on and interdisciplinary learning, inviting your students to discover this liquid element in all its facets. How does rain form? Where does water evaporate to? What floats, what sinks? What happens in a wastewater treatment plant? Why is water so important to us? This volume offers elementary school students of all grades the opportunity to investigate and discover answers to these and many other questions. Through exciting experiments, children learn about the unique characteristics and vital importance of water for humans, animals, and plants. In the process, students learn to perceive themselves as part of the environment and to use water more consciously.