experimentation(2)
Apr. 26, 2009
(3)Conclusion:
1. In a short period of time electromagnetic radiation seems to foster some green onions’ growth, while it also serve as a deterrent to others. According to the recorded data and photos taken during the ten days, it is clear that electromagnetic radiation has negative effects on the growth of the green onions.
2. The similar conclusion gets further confirmed that people using household appliances for a long time is bound to be affected electromagnetic radiation.
( Because this experiment certainly can't determine the variable, t there still remains some error in the experiment. However, four experiments conducted by our group approximately come to the same conclusion )