A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...

Students enter the room, receive a film canister that contains materials that be added to the dirty water bell jar. They record on their data table who or what is doing the adding and the actual substance that has been added to the bell...

Students determine the volume of water they displace. For this earth science lesson, students calculate the total water displaced by the world's population. They evaluate whether or not this value is enough to raise the sea level...

Students are introduced to the SWMP system which tracks short-and long-term changes in water. Using this data, they plot and interpret the data on a graph to determine how human activities are lowering the water quality. They also...