This week, my partner Svitlana and I did some experiments with the pond water. We found some things like algae, and even some living things. We researched one of the living things and found out that they may be called cyclopoid copepod or a water flea( Daphnia Magna). The cyclopoid copepod is a crustacean which is the family of all water animals that have shells or a hard covering, like shrimp, clams, mussels, crab, and many others. Under the microscope, the organism did look like a shrimp, with it's beady eye, tail that flicks back and forth, and the curled rounded back. A water flea is fed to fish, or put in the fish's tank, where they double in number, and the fish feed on them. Alex made a hypothesis that if the water flea is fed to fish and since the fish don't die, that may mean that the water flea or cyclopoid copepod may not be harmful. Also, as I mentioned before, there was lots of algae in the pond water. Algae are not very harmful, because they are a kind of plant that grows in the water. We started researching things in the first place because students from a nearby school had many absences, especially the band kids. So we researched and saw that the band kids had gone to a field trip called the Battle of the Bands. We re-traced the steps they took and saw that they had swum in a pond. Some long time ago, our class had made a hypothesis that the pond was dirty, and possibly diseased, and had gotten all of the students sick. This hypothesis was probably wrong, since nothing in there was infected.