Students use the net they make to dip macroinvertebrates at or below the surface. The flat side of the net allows pressure on the substrate so that organisms do not escape under the net. Two students hold onto the handles and submerge...

Students begin the lesson by completing a survey about how much and what types of water they drink on a daily basis. Using a worksheet, they calculate the amount of water an American uses each day and the amount their own family uses. In...