自然科學報告 - 酸雨 (Acid rain)
自然科學報告 - 酸雨 (Acid rain)
“Christopher Yang (5th grade) conducted an experiment about acid rain. According to his research, acid rain is becoming less of a problem in Alameda country. He also offered alternative energy solutions. Christopher made examples of wind power, solar power and hydropower models. Everyone was inspired to learn about these exciting models of alternative energy.” Quote from Roz. Principle of Valley Montessori school.
Thursday, March 7, 2013