| A | B |
| Erosion | Process by which soil particles break away from the surface of the ground |
| sediment | particles of soil found in water |
| stormwater runoff | excess water after a rain that carries soil particles into streams, ponds and rivers |
| sedimentation | eroded particles of soil, carried by water, settle at the bottom of rivers, lakes and streams |
| turbidity | measure of suspended sediment and algae in rivers, streams and lakes. |
| water filtration | method of cleaning water of suspended particles and pollution |
| 3 problems of erosion | ecologic, aesthetic, and economic impact |
| Forest Part Water Treatment Facility | cleans water from our houses before it returns it to the stream |