science fair topic!给我个方向吧!

science fair topic!给我个方向吧! Science fair project:how plants prepare for winter我的science project 1月8号要给了帮帮我 how plants prepare for winter fair fair fair fair how does the amount of sugar affect the fermentation?这是science fair project! 求帮个忙呀! 我要做一个science fair project 不过不知道做什么好 有什么实验,但是实验结果不明显.(Science Fair Project) 最好是关于物理实验的 Science Fair Project,Any ideas?If yes,please sent websites.Thanks! science? Science science science 请给我scarborough fair的歌词并翻译一下, 球英语演讲的topic,顺便给点素材, topic grade hard 怎么读.能否把音标给我 英语topic : make a living 给我点提示把