Roly Poly Lab Essay Example

crawl on my hand, the pillbug moved quickly in a zig-zag motion. I could feel the pillbug as it made it's way up my arm.

After close examination, I later iscovered that the pillbug was able to cling to my skin because of it's hook-like tips on it's legs. 4. When the beaker is slightly tilted, the pillbugs prefer to move forward toward the top of the beaker. Next, we measured the speed and distance of each pillbug. The results can be seen in the table below. The next step was to formulate hypotheses about the pillbugs reaction to common powders and liquids. The next part of the lab was to then test the pillbugs reaction to the chosen substances and determine whether or not the hypotheses in Table 1. were supported in this experiment. The control in this experiment was water. The final procedure in the lab was to compare our results with the results of our classmates who tested the same substances. The results can be seen below in Table Key: + = towards; - = repelled ; O = no reaction Summary/Conclusions This experiment demonstrates that pillbugs prefer a wet environment to a dry one. Through our data, we have concluded that our hypothesis, "if the pillbug is exposed to water, then it will be responsive and move toward it" , is correct.

Even so, we also hypothesized that, "if the pillbug is exposed to milk, then it will be responsive and ove toward it"; this, however, was proven incorrect after we performed the experiment. On the other hand, several other groups also tested the pillbugs reaction to milk and found that

the pillbug moves toward it. To better improve this experiment, we would make sure that there is no trace of water in the path of the the results in the experiment would be the age and gender of the pillbugs.