Acknowledgments

I would like to thank my science teacher, Mrs. Michele Bradley, my Dad, Mom, Mr. Stan, Ms. Gatti, and my classmates. Thank you, Mrs. Bradley, for always helping and supporting me even if you were busy. Thank you, Mom and Dad, for encouraging me to do my best. Thank you, Mr. Stan and Ms. Gatti, for helping and supporting me on my science fair projects during the previous years. Your support and comments on my previous projects helped me to improve my science projects each year.